checkstyle rule to check copyrights

Change-Id: Ia9bab40b5fe64fca539058a4316371f7acc0f387
diff --git a/apps/faultmanagement/fmmgr/src/main/java/org/onosproject/faultmanagement/api/AlarmStore.java b/apps/faultmanagement/fmmgr/src/main/java/org/onosproject/faultmanagement/api/AlarmStore.java
index 90ab767..716449b 100644
--- a/apps/faultmanagement/fmmgr/src/main/java/org/onosproject/faultmanagement/api/AlarmStore.java
+++ b/apps/faultmanagement/fmmgr/src/main/java/org/onosproject/faultmanagement/api/AlarmStore.java
@@ -1,7 +1,7 @@
 /*
  * Copyright 2016-present Open Networking Laboratory
  *
- * Licensed under the Apache License, Version 2.0 (the "License")
+ * Licensed 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
  *