When passwd-file has %d, drop domain names from username lookups only if %d was given without any modifiers.
When passwd-file has %d, drop domain names from username lookups only if %d
was given without any modifiers.

--HG--
branch : HEAD

jkerihuel/dovecot,dscho/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,dscho/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,dscho/dovecot,dscho/dovecot,jwm/dovecot-notmuch,dscho/dovecot