Index: wp-includes/ms-functions.php
===================================================================
--- wp-includes/ms-functions.php	(revision 17830)
+++ wp-includes/ms-functions.php	(working copy)
@@ -289,8 +289,9 @@
 		$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $user_id) );
 		$wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $user_id) );
 	}
-
+	
 	restore_current_blog();
+	return true;
 }
 
 /**