fix dreference

booking.helper.inc

@@ -1320,7 +1320,7 @@ function _booking_details_email_summary($node) {
 	if (variable_get('booking_enable_earlyaccess_codes', 0) == 1) {
 		//look up the actual code since the booking_person node available at this time only has the primary key for that table
     $earlyaccess_query = db_query("SELECT booking_earlyaccess_code FROM {booking_earlyaccess_codes} where cid = :code", 
-      array(':code' => $values['booking_earlyaccess_code_id']))
+      array(':code' => $node->booking_earlyaccess_code_id))
       ->fetchObject();
 		$rows[] = array(t('Early Access Code:'), t('!code', array('!code' => $earlyaccess_query->booking_earlyaccess_code)));			
 	}