[imp] IMP bug with folder tree

[Chuck Hagenbuch]

Quoting Diego Rivera <lrivera at racsa.co.cr>:

> I have created the following folder hierarchy (while testing an
> IMAP-to-IMAP migrator tool I've built based on other scripts out there):

Any chance you can test this on a HEAD installation? I remember fixing some
problems like this at some point, but don't remember exactly when and if it
was merged.

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
"... It is not more light we need, but more warmth! We die of cold, not of
darkness. It is not the night that kills, but the frost." - Miguel de Unamuno