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-rw-r--r--taxonomy_node_tree.module2
1 files changed, 1 insertions, 1 deletions
diff --git a/taxonomy_node_tree.module b/taxonomy_node_tree.module
index 8f6b670..184ec0f 100644
--- a/taxonomy_node_tree.module
+++ b/taxonomy_node_tree.module
@@ -397,7 +397,7 @@ function taxonomy_node_tree_theme() {
* @return
* Rendered HTML tree.
*/
-function theme_taxonomy_node_tree_list($term, $id, $class, $baselink = NULL, &$level = NULL, $active_link = NULL) {
+function theme_taxonomy_node_tree_list($term, $id, $class, $baselink = NULL, $level = NULL, $active_link = NULL) {
if ($level == NULL) {
$level = 0;