mailbox_sync(): Don't call mailbox_sync_next() - it's not necessary and it just slows down the syncing.
mailbox_sync(): Don't call mailbox_sync_next() - it's not necessary and it
just slows down the syncing.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot