[Dovecot] Dsync fails on second sync for folders with dot in the name

[Timo Sirainen]

On Tue, 2012-01-03 at 13:12 +0100, Jan-Frode Myklebust wrote:
> 	dsync-remote(janfrode at tanso.net): Error: Can't delete mailbox directory INBOX.a: Mailbox has children, delete them first

Oh, this happens only with dsync backup, and only with Maildir++ -> FS
layout change. You can simply ignore this error, or patch with
http://hg.dovecot.org/dovecot-2.0/rev/69c6d7436f7f that hides it.