Coupon tokens aren't assigned values in email

In coupon.module,v 1.6.2.2.2.8.2.15 2007/10/16 03:30:30 sammys Exp $

between lines 595 and 596 needs to be added $txn = (object) $object;

591   function coupon_token_values($type, $object = NULL) {
592     $values = FALSE;
593     
594     if ($type == ECMAIL_TYPE_COUPON) {
595       $values = store_token_values(STORE_TOKEN_TYPE, $object);
+++       $txn = (object) $object;
596       $values['coupon-number']   = _coupon_format($txn->coupon['coupon']);
597       $values['coupon-discount'] = payment_format($txn->coupon['operand']);
598     }
599   
600     return $values;
601   }