If SSL function fails and there are no errors, return "Unknown error" instead of "Success" as the reason.
If SSL function fails and there are no errors, return "Unknown error"
instead of "Success" as the reason.

--HG--
branch : HEAD

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