Hello,

attached patches fixes some bugs in passdb cache.

First patch fixes bug which causes passdb cache always return empty scheme for cached passwords.

Second patch fixes dovecot-auth crash with passdb cache enabled. I'm not sure that it is proper fix, though.

Best regards.

-- Andrey Panin | Linux and UNIX system administrator pazke@donpac.ru | PGP key: wwwkeys.pgp.net