Use the local variable referencing the receiving interface instead of dereferencing the mbuf various times. No functional change.
Use the local variable referencing the receiving interface instead of
dereferencing the mbuf various times. No functional change.

ok mpf@, bluhm@

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