win32/resolv: get_dns_server_list
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55781 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32/resolv: get_dns_server_list
servers only for connected network devices by GetNetworkParams
API. [Bug #12604]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55781 b2dd03c8-39d4-4d8f-98ff-823fe69b080e