Fix formatting of license header

src/main/java/org/elasticsearch/search/fetch/fielddata/FieldDataFieldsContext.java

@@ -7,7 +7,7 @@
  * not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
@@ -16,7 +16,6 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-
 package org.elasticsearch.search.fetch.fielddata;
 
 import com.google.common.collect.Lists;

src/main/java/org/elasticsearch/search/fetch/fielddata/FieldDataFieldsFetchSubPhase.java

@@ -7,7 +7,7 @@
  * not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
@@ -16,7 +16,6 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-
 package org.elasticsearch.search.fetch.fielddata;
 
 import com.google.common.collect.ImmutableMap;

src/main/java/org/elasticsearch/search/fetch/fielddata/FieldDataFieldsParseElement.java

@@ -7,7 +7,7 @@
  * not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
@@ -16,7 +16,6 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-
 package org.elasticsearch.search.fetch.fielddata;
 
 import org.elasticsearch.common.xcontent.XContentParser;