Merge pull request civicrm#12 from seamuslee001/group_permissions_check_fix

Fix Permission Check on Sheduled and Sent Mailings list

Author: eileenmcnaughton

CRM/Mailing/BAO/Mailing.php

@@ -2416,7 +2416,7 @@ public static function mailingACLIDs() {
     // if they dont have universal access
     $groupNames = civicrm_api3('group', 'get', array(
       'is_active' => 1,
-      'check_permission' => TRUE,
+      'check_permissions' => TRUE,
       'return' => array('title', 'id'),
       'options' => array('limit' => 0),
     ));