fts + lib-fts: Fixed crash with some search queries that contained uninitialized search args.
fts + lib-fts: Fixed crash with some search queries that contained uninitialized search args.

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