[imp] change_folders not shown when server_list == none

[Chuck Hagenbuch]

Quoting Alexander Skwar <lists.ASkwar@DigitalProjects.com>:

> I would have thought that this would cause an input field for the
> folder prefix to be shown.  However, such a field is not shown.

The folder prefix is set per-server in servers.php. Why do you need an 
input field for it?

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"A dream which helps you to live your reality with dignity
 and justice is a good dream." - Tariq Ramadan