Copyright update

Change-Id: I534d938da3820f6fb814aed3bb4a0855fa41ddd5
diff --git a/core/api/src/main/java/org/onosproject/store/primitives/DefaultConsistentMultimap.java b/core/api/src/main/java/org/onosproject/store/primitives/DefaultConsistentMultimap.java
index 656bdaf..e8142a4 100644
--- a/core/api/src/main/java/org/onosproject/store/primitives/DefaultConsistentMultimap.java
+++ b/core/api/src/main/java/org/onosproject/store/primitives/DefaultConsistentMultimap.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.