--- vertical_tabs.module	2009-10-12 11:36:02.943254672 -0700
+++ vertical_tabs.fix	2009-10-12 11:36:53.906395426 -0700
@@ -257,7 +257,7 @@ function vertical_tabs_fieldsets($node_t
 /**
  * After build function to add vertical tabs JS and CSS to the form.
  */
-function theme_vertical_tabs(&$form_element) {
+function theme_vertical_tabs($form_element) {
   // Add Vertical Tabs JS and CSS.
   theme('vertical_tabs_js_css', $form_element['#vertical_tabs_js'], $form_element['#vertical_tabs_css'], $form_element['#vertical_tabs_settings'], $form_element['#form_id']);