bugfix about redeclaring function

git-svn-id: https://plugins.svn.wordpress.org/admin-user-messages/trunk@951169 b8457f37-d9ea-0310-8a92-e5e31aec5664
0.1.4

git-svn-id: https://plugins.svn.wordpress.org/admin-user-messages/trunk@951171 b8457f37-d9ea-0310-8a92-e5e31aec5664