Ticket #22039: 22039.patch

wp-admin/includes/screen.php

@@ -387 +387 @@
          * @return WP_Screen Screen object.
          */
         public static function get( $hook_name = '' ) {
-
+                global $hook_suffix;
                 if ( is_a( $hook_name, 'WP_Screen' ) )
                         return $hook_name;
 
@@ -398 +398 @@
                 if ( $hook_name )
                         $id = $hook_name;
                 else
-                        $id = $GLOBALS['hook_suffix'];
+                        $id = $hook_suffix;
 
                 // For those pesky meta boxes.
                 if ( $hook_name && post_type_exists( $hook_name ) ) {