Fix legacy mode bug

git-svn-id: https://plugins.svn.wordpress.org/thank-me-later/trunk@837967 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tested to 3.8

git-svn-id: https://plugins.svn.wordpress.org/thank-me-later/trunk@837969 b8457f37-d9ea-0310-8a92-e5e31aec5664