fix TAILQ_REPLACE, add TAILQ_FOREACH_REVERSE; alaric@exoinc.com
fix TAILQ_REPLACE, add TAILQ_FOREACH_REVERSE; alaric@exoinc.com

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