Network backend: Fix timeout value not respected on Windows

Signed-off-by: Paul Cercueil <[email protected]>

network.c

@@ -628,7 +628,7 @@ static int do_connect(const struct addrinfo *addrinfo,
 	SOCKET s;
 
 	s = WSASocketW(addrinfo->ai_family, addrinfo->ai_socktype, 0, NULL, 0,
-		WSA_FLAG_NO_HANDLE_INHERIT);
+		WSA_FLAG_NO_HANDLE_INHERIT | WSA_FLAG_OVERLAPPED);
 	if (s == INVALID_SOCKET)
 		return -WSAGetLastError();