* util/i386/pc/grub-probe.c (probe): Print DEVICE_NAME instead of
DRIVE_NAME when grub_util_biosdisk_get_grub_dev fails. Open
DRIVE_NAME instead of DEVICE_NAME. Make sure that DEVICE_NAME and
DRIVE_NAME are always freed.
* util/i386/pc/biosdisk.c (make_device_name): Add one into
DOS_PART, as a DOS partition is counted from one instead of zero
now. Reported by Robert Millan.