(bug 17330) Fix minor warning if $titles is null, which it can be.

diff --git a/includes/Title.php b/includes/Title.php
index 8c37897..d665f2b 100644 (file)
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -315,7 +315,7 @@ class Title {
         */
        public static function newFromRedirectRecurse( $text ) {
                $titles = self::newFromRedirectArray( $text );
-               return array_pop( $titles );
+               return $titles ? array_pop( $titles ) : null;
        }
        
        /**