Ticket #20706: link.php.patch

wp-admin/link.php

@@ -70 +70 @@
                 $redir = wp_get_referer();
                 if ( add_link() )
                         $redir = add_query_arg( 'added', 'true', $redir );
+                else
+                        $redir = add_query_arg( 'added', 'false', $redir );
 
                 wp_redirect( $redir );
                 exit;