Appropriately set SCSI_DATA_IN or SCSI_DATA_OUT depending on type of dvd_auth command.  Fixes regression from scsi_scsi_cmd() removal.
Appropriately set SCSI_DATA_IN or SCSI_DATA_OUT depending on type of
dvd_auth command.  Fixes regression from scsi_scsi_cmd() removal.

ok dlg@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars