From 3ec962dd566528af3ac72a0447c075b98b3e43f7 Mon Sep 17 00:00:00 2001
From: Dion Hulse <dd32@git.wordpress.org>
Date: Sun, 15 Sep 2013 01:25:56 +0000
Subject: [PATCH] WordPress Core Automatic Updates: Remove an accidental
 closure which isn't supported in PHP 5.2. See #22704

git-svn-id: https://develop.svn.wordpress.org/trunk@25447 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/class-wp-upgrader.php | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/wp-admin/includes/class-wp-upgrader.php b/src/wp-admin/includes/class-wp-upgrader.php
index 657e4fa88c..ba4672addd 100644
--- a/src/wp-admin/includes/class-wp-upgrader.php
+++ b/src/wp-admin/includes/class-wp-upgrader.php
@@ -1370,15 +1370,13 @@ class WP_Automatic_Upgrader {
 
 	static function upgrade( $type, $item ) {
 
-		self::$skin = new Automatic_Upgrader_Skin();
+		if ( ! self::$skin )
+			self::$skin = new Automatic_Upgrader_Skin();
 
 		switch ( $type ) {
 			case 'core':
 				// The Core upgrader doesn't use the Upgrader's skin during the actual main part of the upgrade, instead, firing a filter
-				add_filter( 'update_feedback', function( $message ) {
-					WP_Background_Upgrader::$skin->feedback( $message );
-					return $message;
-				} );
+				add_filter( 'update_feedback', array( self::$skin, 'feedback' ) );
 				$upgrader = new Core_Upgrader( self::$skin );
 				$context  = ABSPATH;
 				break;