made the way to fill in flowinfo consistent with in6_pcbconnect(); use automatically generated value or 0, and ignore sin6->sin6_flowinfo.
made the way to fill in flowinfo consistent with in6_pcbconnect();
use automatically generated value or 0, and ignore sin6->sin6_flowinfo.

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