mbox with in-memory indexes don't have control_dir and doesn't need it, so don't crash then.
mbox with in-memory indexes don't have control_dir and doesn't need it, so
don't crash then.

damoxc/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot,LTD-Beget/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,LTD-Beget/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot