diff -r 346c88efed21 -r 5e2f62d02dcd wp/wp-admin/includes/list-table.php
--- a/wp/wp-admin/includes/list-table.php	Mon Jun 08 16:11:51 2015 +0000
+++ b/wp/wp-admin/includes/list-table.php	Tue Jun 09 03:35:32 2015 +0200
@@ -84,10 +84,10 @@
  * @since 3.1.0
  */
 class _WP_List_Table_Compat extends WP_List_Table {
-	var $_screen;
-	var $_columns;
+	public $_screen;
+	public $_columns;
 
-	function _WP_List_Table_Compat( $screen, $columns = array() ) {
+	public function __construct( $screen, $columns = array() ) {
 		if ( is_string( $screen ) )
 			$screen = convert_to_screen( $screen );
 
@@ -99,7 +99,7 @@
 		}
 	}
 
-	function get_column_info() {
+	protected function get_column_info() {
 		$columns = get_column_headers( $this->_screen );
 		$hidden = get_hidden_columns( $this->_screen );
 		$sortable = array();
@@ -107,7 +107,7 @@
 		return array( $columns, $hidden, $sortable );
 	}
 
-	function get_columns() {
+	public function get_columns() {
 		return $this->_columns;
 	}
 }