configure: If all passdb/userdb/sql drivers are compiled, don't print an empty line for them.
configure: If all passdb/userdb/sql drivers are compiled, don't print an empty line for them.

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