When reading dbox metadata, flush the input stream's cached data first to make sure the latest metadata is used.
When reading dbox metadata, flush the input stream's cached data first to
make sure the latest metadata is used.

--HG--
branch : HEAD

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