[Dovecot] dsync assert failure in 2.2.2

[Tomas Olsson]

> with 2.2.2 and today's hg, dsync crashes with
> dsync(root): Panic: file ../../../../../src/lib-storage/index/mbox/mbox-lock.c: line 797 (mbox_lock): assertion failed: (lock_type == F_RDLCK || mbox->mbox_lock_type != F_RDLCK)
> when I run
> USER=root 2.2-hg/bin/dsync -c etc/dovecot.conf -f -o mail_location=mbox:/tmp/imap/fwadmin.tmp:INBOX=/tmp/imap/fwadmin.tmp/INBOX mirror mdbox:/tmp/imap/fwadmin
>
Appears to work properly again in 2.2.4.

thanks
 /t