From ee109f38eac60122a7382994d26af013cf6868af Sat, 29 Jun 2013 20:10:32 +0200
From: hass <hass@85918.no-reply.drupal.org>
Date: Sat, 29 Jun 2013 20:10:23 +0200
Subject: [PATCH] Issue #2031053 by hass: Theme cannot add classes via preprocess to webform_advanced_submit_limit_form

diff --git a/includes/webform.pages.inc b/includes/webform.pages.inc
index 97c9395..dce9c84 100644
--- a/includes/webform.pages.inc
+++ b/includes/webform.pages.inc
@@ -375,8 +375,8 @@
  */
 function theme_webform_advanced_submit_limit_form($variables) {
   $form = $variables['form'];
-  $form['submit_limit']['#attributes']['class'] = array('webform-set-active');
-  $form['submit_interval']['#attributes']['class'] = array('webform-set-active');
+  $form['submit_limit']['#attributes']['class'][] = 'webform-set-active';
+  $form['submit_interval']['#attributes']['class'][] = 'webform-set-active';
   // Remove div wrappers around limit options.
   $form['submit_limit']['#theme_wrappers'] = array();
   $form['submit_interval']['#theme_wrappers'] = array();