add missing licenses

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1901296 13f79535-47bb-0310-9956-ffa450edef68

poi/src/main/java/org/apache/poi/ss/formula/atp/Stdevp.java

@@ -1,3 +1,19 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may 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
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
 package org.apache.poi.ss.formula.atp;
 
 import org.apache.poi.ss.formula.OperationEvaluationContext;

poi/src/main/java/org/apache/poi/ss/formula/atp/Stdevs.java

@@ -1,3 +1,19 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may 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
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
 package org.apache.poi.ss.formula.atp;
 
 import org.apache.poi.ss.formula.OperationEvaluationContext;

poi/src/main/java/org/apache/poi/ss/formula/atp/Varp.java

@@ -1,3 +1,19 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may 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
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
 package org.apache.poi.ss.formula.atp;
 
 import org.apache.poi.ss.formula.OperationEvaluationContext;

poi/src/main/java/org/apache/poi/ss/formula/atp/Vars.java

@@ -1,3 +1,19 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may 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
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
 package org.apache.poi.ss.formula.atp;
 
 import org.apache.poi.ss.formula.OperationEvaluationContext;

poi/src/test/java/org/apache/poi/ss/formula/atp/TestWorkdayFunction.java

@@ -171,7 +171,7 @@ class TestWorkdayFunction {
         assertEquals(expDate, actDate);
     }
 
-    private class MockAreaEval extends AreaEvalBase {
+    private static class MockAreaEval extends AreaEvalBase {
 
         private List<ValueEval> holidays;
 

poi/src/test/java/org/apache/poi/ss/formula/atp/TestWorkdayIntlFunction.java

@@ -203,7 +203,7 @@ class TestWorkdayIntlFunction {
         assertEquals(40944.0, numberValue);
     }
 
-    private class MockAreaEval extends AreaEvalBase {
+    private static class MockAreaEval extends AreaEvalBase {
 
         private List<ValueEval> holidays;