[whups] No mail-address was required on new a ticket for guest user

[=?big5?b?sWmofaTl?=]

Hi there:
I don't know whether it's a bug or not.
For whups head version,There are not place for guest to enter their
email-address.

http://bugs.tmv.gov.tw/horde.beta/whups/ticket/create.php

P.S:Horde head & Framework up2date.