mail_index_sync_have_any(): Refresh index to see if there are any new unseen changes before returning anything.
mail_index_sync_have_any(): Refresh index to see if there are any new unseen
changes before returning anything.

--HG--
branch : HEAD

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