chdir() now gives error only if error is something else than ENOENT. Also with debugging enabled log if the home isn't found.
chdir() now gives error only if error is something else than ENOENT. Also
with debugging enabled log if the home isn't found.

--HG--
branch : HEAD

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