If cache field is cached with decision=no, don't try to compress cache file just to get rid of it.
If cache field is cached with decision=no, don't try to compress cache file
just to get rid of it.

--HG--
branch : HEAD

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