games/ultimatestunts: Unbreak build

udpnet.cpp:61:6: error: no viable conversion from '__bind<int &, sockaddr *, unsigned long>' to 'int'

int rc = bind (m_Socket, (struct sockaddr *) &MyAddress, sizeof(MyAddress));
    ^    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

http://beefy9.nyi.freebsd.org/data/113amd64-default/518685/logs/errors/ultimatestunts-0.7.7.1_5.log

While here apply r518709 to this port too and link with lld when possible