- set sin6_scope_id before sending (link-local/multicast) packets   (which is still not 100% correct in terms of scoping address arch.) - removed an incorrect comment
- set sin6_scope_id before sending (link-local/multicast) packets
  (which is still not 100% correct in terms of scoping address arch.)
- removed an incorrect comment

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