[horde] Nonexistant class Horde_Form_Type_hidden

[Chuck Hagenbuch]

Quoting Brandon Knitter <knitterb at blandsite.org>:

> I'm getting the following error when trying to view anything in my 
> addressbook:
>
> Nonexistant class "Horde_Form_Type_hidden" for field type "hidden"

For the umpteenth time: update attributes.php from attributes.php.dist.

-chuck

-- 
"But she goes not abroad in search of monsters to destroy." - John 
Quincy Adams