From 6ca86ae3a87aec6135550041b94103e0542e227e Mon Sep 17 00:00:00 2001
From: nacin <nacin@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Tue, 24 Jan 2012 22:14:42 +0000
Subject: [PATCH] Revert [19745].

git-svn-id: http://svn.automattic.com/wordpress/trunk@19746 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/upgrade.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/wp-admin/upgrade.php b/wp-admin/upgrade.php
index 5b1eec45e..251513a18 100644
--- a/wp-admin/upgrade.php
+++ b/wp-admin/upgrade.php
@@ -6,6 +6,14 @@
  * @subpackage Administration
  */
 
+/**
+ * We are upgrading WordPress.
+ *
+ * @since 1.5.1
+ * @var bool
+ */
+define( 'WP_INSTALLING', true );
+
 /** Load WordPress Bootstrap */
 require( '../wp-load.php' );