configure the addresses on the pppx interface when its created by npppd so it is immediately functional.
configure the addresses on the pppx interface when its created by npppd so
it is immediately functional.

ok claudio@ yasuoka@ as part of a larger diff
code by jonathan matthew

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