From 45325c3d4192b71755676280957c5ea9de1fc0f5 Mon Sep 17 00:00:00 2001
From: wpmuguru <wpmuguru@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Sun, 28 Feb 2010 19:49:31 +0000
Subject: [PATCH] use delete_option vs update_option, see #12383

git-svn-id: http://svn.automattic.com/wordpress/trunk@13511 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/ms-edit.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-admin/ms-edit.php b/wp-admin/ms-edit.php
index 28a765ef1..910bc4987 100644
--- a/wp-admin/ms-edit.php
+++ b/wp-admin/ms-edit.php
@@ -219,7 +219,7 @@ switch ( $_GET['action'] ) {
 		}
 
 		// rewrite rules can't be flushed during switch to blog
-		update_option( 'rewrite_rules', '' );
+		delete_option( 'rewrite_rules' );
 
 		// update blogs table
 		$blog_data = stripslashes_deep($_POST[ 'blog' ]);