Fix Multiplayer with more than 2 people

At least on Citra and quite hacky
Join Menu still shows wrong player count, but this affects nothing

source/main.c

@@ -38,6 +38,8 @@ void setupGameServer() {
     
     networkHostStopConnections();
     
+    networkStart();
+    
     //send start info (seed)
     size = writeStartPacket(networkWriteBuffer, rand());
     networkSend(networkWriteBuffer, size);