For *chmod, allow S_ISTXT in tame mode.  I am evaluating what to do about S_ISUID and SISGID... maybe we should mask them and allow the operation to happen?
For *chmod, allow S_ISTXT in tame mode.  I am evaluating what to
do about S_ISUID and SISGID... maybe we should mask them and allow
the operation to happen?

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