Issue #2249723 by andrei.dincu: Include xmlsitemap form element in vertical tabs if it exists

xmlsitemap.module

@@ -1404,7 +1404,7 @@ function xmlsitemap_add_form_link_options(array &$form, $entity, $bundle, $id) {
     '#collapsible' => TRUE,
     '#collapsed' => !$link['status_override'] && !$link['priority_override'],
     '#access' => $currentUser->hasPermission('administer xmlsitemap') || xmlsitemap_link_bundle_access($bundle_info),
-    '#group' => 'additional_settings',
+    '#group' => 'advanced',
     '#attached' => array(
       'js' => array(
         'vertical-tabs' => drupal_get_path('module', 'xmlsitemap') . '/js/xmlsitemap.js',
@@ -1413,7 +1413,7 @@ function xmlsitemap_add_form_link_options(array &$form, $entity, $bundle, $id) {
   );
 
   // Hack to remove fieldset summary if Vertical tabs is not enabled.
-  if (!isset($form['additional_settings'])) {
+  if (!isset($form['advanced'])) {
     unset($form['xmlsitemap']['#attached']['js']['vertical-tabs']);
   }