Copying an event results in "You do not have permission to access this page" with memcache enabled

Very similar to this issue: http://issues.civicrm.org/jira/browse/CRM-6734 which was addressed and works well.

I fixed it by doing they same thing for the copy function which was done in the add function.

Index: CRM/Event/BAO/Event.php
===================================================================
— CRM/Event/BAO/Event.php (revision 38710)
+++ CRM/Event/BAO/Event.php (working copy)
@@ -888,6 +888,9 @@
*/
static function copy( $id )
{
+ require_once 'CRM/Utils/System.php';
+ CRM_Utils_System::flushCache( );
+
$defaults = $eventValues = array( );

//get the require event values.