If we lose a maildir filename, make sure the message gets marked as expunged in index.
If we lose a maildir filename, make sure the message gets marked as expunged
in index.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot