* ext/socket/socket.c (socket_s_ip_address_list): Fill sin6_scope_id
  if getifaddrs() returns an IPv6 link local address which
  sin6_scope_id is zero, such as on OpenIndiana SunOS 5.11.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e