use _lto8b to calculate 64 bit address.  Fixes issue ckuethe saw at 2TB boundary.
use _lto8b to calculate 64 bit address.  Fixes issue ckuethe saw at 2TB
boundary.

miod "go for it."

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