loci: centralize copyright header
diff --git a/c_gen/templates/locitest/test_validator.c b/c_gen/templates/locitest/test_validator.c
index cac67f7..db8079e 100644
--- a/c_gen/templates/locitest/test_validator.c
+++ b/c_gen/templates/locitest/test_validator.c
@@ -25,7 +25,7 @@
 :: # EPL for the specific language governing permissions and limitations
 :: # under the EPL.
 ::
-/* Copyright 2013, Big Switch Networks, Inc. */
+:: include('_copyright.c')
 
 /**
  * Test message validator