acl: Empty negative rights list should be the same as NULL negative rights list. There may be other places where this should be fixed, but this at least fixes errors with dsync where "-user" entry without any rights was attempted to be synced in dovecot-acl (although such entry shouldn't really have existed in the first place).
acl: Empty negative rights list should be the same as NULL negative rights list.
There may be other places where this should be fixed, but this at least
fixes errors with dsync where "-user" entry without any rights was attempted
to be synced in dovecot-acl (although such entry shouldn't really have
existed in the first place).

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