Swapped PHP4 and PHP5 contractors to remove strict warning

git-svn-id: https://plugins.svn.wordpress.org/admin-bar-toggle/trunk@777326 b8457f37-d9ea-0310-8a92-e5e31aec5664
Swapped PHP4 and PHP5 contractors to remove strict warning

git-svn-id: https://plugins.svn.wordpress.org/admin-bar-toggle/trunk@777327 b8457f37-d9ea-0310-8a92-e5e31aec5664