To avoid warnings on some compilers, return NDN_ERROR_success instead of 0.
diff --git a/ndn-cpp/c/util/dynamic-uchar-array.h b/ndn-cpp/c/util/dynamic-uchar-array.h
index ab5dca4..9543721 100644
--- a/ndn-cpp/c/util/dynamic-uchar-array.h
+++ b/ndn-cpp/c/util/dynamic-uchar-array.h
@@ -78,6 +78,7 @@
   if ((error = ndn_DynamicUCharArray_ensureLength(self, valueLength + offset)))
     return error;
   ndn_memcpy(self->array + offset, value, valueLength);
+  return NDN_ERROR_success;
 };
 
 #ifdef	__cplusplus