issue found

git-svn-id: https://plugins.svn.wordpress.org/ig-shortcodes/trunk@918561 b8457f37-d9ea-0310-8a92-e5e31aec5664
fix some issue

git-svn-id: https://plugins.svn.wordpress.org/ig-shortcodes/trunk@918562 b8457f37-d9ea-0310-8a92-e5e31aec5664