missing widgetizing function

git-svn-id: https://plugins.svn.wordpress.org/jm-dashicons-shortcode/trunk@906852 b8457f37-d9ea-0310-8a92-e5e31aec5664
fix double declare

git-svn-id: https://plugins.svn.wordpress.org/jm-dashicons-shortcode/trunk@906853 b8457f37-d9ea-0310-8a92-e5e31aec5664