include .m in check_copyright.py
@ -1,6 +1,6 @@
/*
*
* Copyright 2014, Google Inc.
* Copyright 2015, Google Inc.
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
@ -70,6 +70,7 @@ LICENSE_FMT = {
'.c': ' * %s',
'.cc': ' * %s',
'.h': ' * %s',
'.m': ' * %s',
'.php': ' * %s',
'.py': '# %s',
'.rb': '# %s',