Make the category browser actually work

diff --git a/includes/Title.php b/includes/Title.php
index 5ed1438..3e7f1c5 100644 (file)
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -2720,6 +2720,7 @@ class Title {
         * @return array
         */
        public function getParentCategoryTree( $children = array() ) {
+               $stack = array();
                $parents = $this->getParentCategories();
 
                if($parents != '') {