[gollem] creating "change directory" menu item..

[Chuck Hagenbuch]

Quoting Liam Hoekenga <liamr@umich.edu>:

> Ok, this was ridiculously easy.  I'm shocked it worked.  I'd like to
> attribute it to my mastery of PHP, but it's more likely that the Horde
> code base is so well written that even house pets could write useful
> expansions to it.  :)
> 
> Anyways.. I present to you the "change directory" patch.  First pass...
> seems to work.

With a little sanitization tweak to VFS/file.php, this seems to work fine 
and safely. Committed, thanks!

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"People ask me all the time what it will be like living without otters."
 - Google, thanks to Harpers