Master passdbs are in their own list, so allow pass=yes even if a master passdb is the last in the list.
Master passdbs are in their own list, so allow pass=yes even if a master
passdb is the last in the list.

--HG--
branch : HEAD

dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot