fix an incorrect if-clause in net.cpp
@ -716,7 +716,7 @@ void ThreadSocketHandler2(void* parg)
if (nSelect == SOCKET_ERROR)
{
int nErr = WSAGetLastError();
if (hSocketMax > (SOCKET) -1)
if (hSocketMax != INVALID_SOCKET)
printf("socket select error %d\n", nErr);
for (unsigned int i = 0; i <= hSocketMax; i++)