- sync up MLD declaration with RFC3542 (s/MLD6/MLD/) - routing header declaration with RFC3542 (note: sizeof(ip6_rthdr0) has changed!) also, sync up with RFC2460 routing header definition (no "strict" source routing mode any more)
- sync up MLD declaration with RFC3542 (s/MLD6/MLD/)
- routing header declaration with RFC3542
(note: sizeof(ip6_rthdr0) has changed!)
also, sync up with RFC2460 routing header definition (no "strict" source
routing mode any more)

part of advanced API update (RFC2292 -> 3542).

markus, todd, millert, henning ok

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