- Clear ip address listings after a NET_Restart

- check for oldGameSet instead of the gamename string

code/qcommon/net_ip.c

@@ -1290,6 +1290,8 @@ static void NET_GetLocalAddress(void)
 {
 	struct ifaddrs *ifap, *search;
 
+	numIP = 0;
+
 	if(getifaddrs(&ifap))
 		Com_Printf("NET_GetLocalAddress: Unable to get list of network interfaces: %s\n", NET_ErrorString());
 	else
@@ -1312,6 +1314,8 @@ static void NET_GetLocalAddress( void ) {
 	struct addrinfo	hint;
 	struct addrinfo	*res = NULL;
 
+	numIP = 0;
+
 	if(gethostname( hostname, 256 ) == SOCKET_ERROR)
 		return;