HBASE-18866 clean up warnings about proto syntax

Signed-off-by: Michael Stack <stack@apache.org>

hbase-protocol-shaded/src/main/protobuf/AccessControl.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 package hbase.pb;
 
 option java_package = "org.apache.hadoop.hbase.shaded.protobuf.generated";

hbase-protocol-shaded/src/main/protobuf/Admin.proto

@@ -15,7 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+syntax = "proto2";
 // This file contains protocol buffers that are used for Admin service.
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/Backup.proto

@@ -15,7 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+syntax = "proto2";
 // This file contains Backup manifest
 package hbase.pb;
 
@@ -114,4 +114,4 @@ message BackupInfo {
     INCREMENTAL_COPY = 4;
     STORE_MANIFEST = 5;
   }
-}
+}

hbase-protocol-shaded/src/main/protobuf/Cell.proto

@@ -15,7 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+syntax = "proto2";
 // Cell and KeyValue protos
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/Client.proto

@@ -15,7 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+syntax = "proto2";
 // This file contains protocol buffers that are used for Client service.
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/ClusterId.proto

@@ -15,7 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+syntax = "proto2";
 // This file contains protocol buffers that are shared throughout HBase
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/ClusterStatus.proto

@@ -15,7 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+syntax = "proto2";
 // This file contains protocol buffers that are used for ClustStatus
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/Comparator.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers that are used for filters
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/Encryption.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers used for encryption
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/ErrorHandling.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers that are used for error handling
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/FS.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers that are written into the filesystem
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/Filter.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers that are used for filters
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/HBase.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers that are shared throughout HBase
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/HFile.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/LoadBalancer.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers to represent the state of the load balancer.
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/LockService.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/MapReduce.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
  //This file includes protocol buffers used in MapReduce only.
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/Master.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // All to do with the Master.  Includes schema management since these
 // changes are run by the Master process.

hbase-protocol-shaded/src/main/protobuf/MasterProcedure.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 package hbase.pb;
 
 option java_package = "org.apache.hadoop.hbase.shaded.protobuf.generated";

hbase-protocol-shaded/src/main/protobuf/Procedure.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 package hbase.pb;
 
 option java_package = "org.apache.hadoop.hbase.shaded.protobuf.generated";

hbase-protocol-shaded/src/main/protobuf/Quota.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/RPC.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 package hbase.pb;
 
 import "Tracing.proto"; 

hbase-protocol-shaded/src/main/protobuf/RegionNormalizer.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers to represent the state of the load balancer.
 

hbase-protocol-shaded/src/main/protobuf/RegionServerStatus.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // This file contains protocol buffers that are used for RegionServerStatusProtocol.
 package hbase.pb;

hbase-protocol-shaded/src/main/protobuf/Replication.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 package hbase.pb;
 

hbase-protocol-shaded/src/main/protobuf/Snapshot.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 package hbase.pb;
 
 option java_package = "org.apache.hadoop.hbase.shaded.protobuf.generated";

hbase-protocol-shaded/src/main/protobuf/TestProcedure.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 option java_package = "org.apache.hadoop.hbase.shaded.ipc.protobuf.generated";
 option java_outer_classname = "TestProcedureProtos";
 option java_generic_services = true;

hbase-protocol-shaded/src/main/protobuf/Tracing.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 package hbase.pb;
 
 option java_package = "org.apache.hadoop.hbase.shaded.protobuf.generated";

hbase-protocol-shaded/src/main/protobuf/WAL.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 package hbase.pb;
 
 option java_package = "org.apache.hadoop.hbase.shaded.protobuf.generated";

hbase-protocol-shaded/src/main/protobuf/ZooKeeper.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 // ZNode data in hbase are serialized protobufs with a four byte
 // 'magic' 'PBUF' prefix.

hbase-protocol-shaded/src/main/protobuf/test.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 
 option java_package = "org.apache.hadoop.hbase.shaded.ipc.protobuf.generated";
 option java_outer_classname = "TestProtos";

hbase-protocol-shaded/src/main/protobuf/test_rpc_service.proto

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+syntax = "proto2";
 option java_package = "org.apache.hadoop.hbase.shaded.ipc.protobuf.generated";
 option java_outer_classname = "TestRpcServiceProtos";
 option java_generic_services = true;