doveadm user: Don't crash if multiple mask parameters are given with at least one wildcard.
doveadm user: Don't crash if multiple mask parameters are given with at least one wildcard.

jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch