error of edit media library preview img fixed

git-svn-id: https://plugins.svn.wordpress.org/contact-popup/trunk@778225 b8457f37-d9ea-0310-8a92-e5e31aec5664
in index file extra ";" removed 

git-svn-id: https://plugins.svn.wordpress.org/contact-popup/trunk@778226 b8457f37-d9ea-0310-8a92-e5e31aec5664