Index: includes/form.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/form.inc,v
retrieving revision 1.420
diff -u -p -r1.420 form.inc
--- includes/form.inc	17 Dec 2009 17:18:02 -0000	1.420
+++ includes/form.inc	17 Dec 2009 19:12:06 -0000
@@ -2724,7 +2724,7 @@ function theme_textfield($variables) {
   $extra = '';
   $output = '';
 
-  if ($element['#autocomplete_path'] && menu_valid_path(array('link_path' => $element['#autocomplete_path']))) {
+  if ($element['#autocomplete_path'] && drupal_valid_path($element['#autocomplete_path'])) {
     drupal_add_js('misc/autocomplete.js');
     $class[] = 'form-autocomplete';
     $extra =  '<input class="autocomplete" type="hidden" id="' . $element['#id'] . '-autocomplete" value="' . check_url(url($element['#autocomplete_path'], array('absolute' => TRUE))) . '" disabled="disabled" />';