Fix building with GCC 13

Controllers/SteelSeriesController/SteelSeriesMouseController.h

@@ -10,6 +10,7 @@
 #include <hidapi/hidapi.h>
 #include <vector>
 #include "SteelSeriesGeneric.h"
+#include <cstdint>
 
 #pragma once
 

Controllers/SteelSeriesController/SteelSeriesRivalController.cpp

@@ -11,6 +11,7 @@
 #include <cstring>
 #include <stdio.h>
 #include <stdlib.h>
+#include <cstdint>
 
 static void send_usb_msg(hid_device* dev, char * data_pkt, unsigned int size)
 {