1.8.3 fixes

git-svn-id: https://plugins.svn.wordpress.org/wp-optimize/trunk@903946 b8457f37-d9ea-0310-8a92-e5e31aec5664
typo fix

git-svn-id: https://plugins.svn.wordpress.org/wp-optimize/trunk@903950 b8457f37-d9ea-0310-8a92-e5e31aec5664