[dev] trash folder

[Max Kalika]

Quoting Chuck Hagenbuch <chuck@horde.org>:

> Nope. All of the other folder preferences leave off any $preamble, so I've
> modified this to assume the same - ie, always include the $preamble. Try it
> as of about now...

Missed one $preamble prepend on line 190 of lib/message.php.  Also line 189 
should probably be protected with a if(!IMP_folder::exists()) check.  Taking 
out the prepend and adding the check made the trash folder work beautifully.


--mk23