Update for WordPress 4.0

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-extender/trunk@980210 b8457f37-d9ea-0310-8a92-e5e31aec5664
Forgotten file update for WordPress 4.0

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-extender/trunk@980251 b8457f37-d9ea-0310-8a92-e5e31aec5664