From b9256951701a0a13e7abb28a75108947ef9ee030 Mon Sep 17 00:00:00 2001
From: nacin <nacin@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Wed, 25 Jan 2012 00:09:30 +0000
Subject: [PATCH] Use get_blog_prefix() in get_most_recent_post_of_user(). see
 #19891.

git-svn-id: http://svn.automattic.com/wordpress/trunk@19748 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/ms-functions.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wp-includes/ms-functions.php b/wp-includes/ms-functions.php
index 15a3158db..b1aaa83b1 100644
--- a/wp-includes/ms-functions.php
+++ b/wp-includes/ms-functions.php
@@ -1368,7 +1368,8 @@ function get_most_recent_post_of_user( $user_id ) {
 	// Walk through each blog and get the most recent post
 	// published by $user_id
 	foreach ( (array) $user_blogs as $blog ) {
-		$recent_post = $wpdb->get_row( $wpdb->prepare("SELECT ID, post_date_gmt FROM {$wpdb->base_prefix}{$blog->userblog_id}_posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A);
+		$prefix = $wpdb->get_blog_prefix( $blog->userblog_id );
+		$recent_post = $wpdb->get_row( $wpdb->prepare("SELECT ID, post_date_gmt FROM {$prefix}posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A);
 
 		// Make sure we found a post
 		if ( isset($recent_post['ID']) ) {