Fix comment about MINFREE, from Thordur I. Bjornsson <thib@mi.is>
Fix comment about MINFREE, from Thordur I. Bjornsson <thib@mi.is>

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