Added wp_register to display reglink

git-svn-id: https://plugins.svn.wordpress.org/advanced-meta-widget/trunk@789380 b8457f37-d9ea-0310-8a92-e5e31aec5664
one more update

git-svn-id: https://plugins.svn.wordpress.org/advanced-meta-widget/trunk@789381 b8457f37-d9ea-0310-8a92-e5e31aec5664