Change all copyright notices to refer to file COPYING
diff --git a/ndn-cpp/c/util/ndn_memory.c b/ndn-cpp/c/util/ndn_memory.c
index 8699309..d0e8bf4 100644
--- a/ndn-cpp/c/util/ndn_memory.c
+++ b/ndn-cpp/c/util/ndn_memory.c
@@ -1,7 +1,6 @@
-/* 
- * Author: Jeff Thompson
- *
- * BSD license, See the LICENSE file for more information.
+/**
+ * @author: Jeff Thompson
+ * See COPYING for copyright and distribution information.
  */
 
 #include "ndn_memory.h"