Fix bug: WC Dependency

git-svn-id: https://plugins.svn.wordpress.org/aftership-woocommerce-tracking/trunk@971986 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.1.3

git-svn-id: https://plugins.svn.wordpress.org/aftership-woocommerce-tracking/trunk@971988 b8457f37-d9ea-0310-8a92-e5e31aec5664