fix nopriv error

git-svn-id: https://plugins.svn.wordpress.org/simplemodal/trunk@972841 b8457f37-d9ea-0310-8a92-e5e31aec5664
fix nopriv error

git-svn-id: https://plugins.svn.wordpress.org/simplemodal/trunk@972844 b8457f37-d9ea-0310-8a92-e5e31aec5664