* {bsdi3,bsdi4,freebsd2}/sys/net/if_types.h: move private interface   types to 0xf0 and upwards.
* {bsdi3,bsdi4,freebsd2}/sys/net/if_types.h: move private interface
  types to 0xf0 and upwards.

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