* sys/netinet/ip_mroute.c: use sys/netinet/ip_encap.c framework   for inbound packet dispatch.
* sys/netinet/ip_mroute.c: use sys/netinet/ip_encap.c framework
  for inbound packet dispatch.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame