[Client] Add back statement that should not have been removed in e4a261e

apps/openmw/mwmp/Networking.cpp

@@ -48,6 +48,7 @@ Networking::Networking(): peer(RakNet::RakPeerInterface::GetInstance()), playerP
 
     RakNet::SocketDescriptor sd;
     sd.port=0;
+    peer->Startup(1, &sd, 1);
     RakAssert(b==RAKNET_STARTED);
 
     playerPacketController.SetStream(0, &bsOut);