remove unused variable prevlen and a second initialization of ifp. adjusted from a diff from chl@; ok naddy, Brad agrees.
remove unused variable prevlen and a second initialization of ifp.
adjusted from a diff from chl@; ok naddy, Brad agrees.

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