code style fix

Change-Id: I2f57ac1eb9c01063752adfc452ff0f1db3367fe3
diff --git a/src/name-assignment/assignment-param.hpp b/src/name-assignment/assignment-param.hpp
index 5e60dc1..dc45e03 100644
--- a/src/name-assignment/assignment-param.hpp
+++ b/src/name-assignment/assignment-param.hpp
@@ -40,4 +40,4 @@
 } // namespace ndncert
 } // namespace ndn
 
-#endif //NDNCERT_ASSIGNMENT_PARAM_HPP
+#endif // NDNCERT_ASSIGNMENT_PARAM_HPP