If passdb returned only userdb_ prefixed extra fields, don't add an extra TAB to the auth client's OK reply.
If passdb returned only userdb_ prefixed extra fields, don't add an extra
TAB to the auth client's OK reply.

--HG--
branch : HEAD

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