Added missing ASF headers
diff --git a/lib/csharp/test/JSON/app.config b/lib/csharp/test/JSON/app.config
index cb2586b..bc39140 100644
--- a/lib/csharp/test/JSON/app.config
+++ b/lib/csharp/test/JSON/app.config
@@ -1,3 +1,21 @@
 <?xml version="1.0"?>

+<!--

+  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.

+-->

 <configuration>

 <startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration>