* openbsd/sys/netinet/udp_usrreq.c: fix panic on interface down   in udp6_ctlinput().  fixes KAME PR 175. * kame/sys/netinet6/ip6protosw.h: fix panic on big endian openbsd   machines (short/int mismatch with struct protosw).
* openbsd/sys/netinet/udp_usrreq.c: fix panic on interface down
  in udp6_ctlinput().  fixes KAME PR 175.
* kame/sys/netinet6/ip6protosw.h: fix panic on big endian openbsd
  machines (short/int mismatch with struct protosw).

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