Replace int types in Retro code

Retro seemingly avoided using the Dolphin
typedefs in most places, opting to use int/uint
instead. This likely means they didn't use
u8/s8/u16/s16/etc either.


Former-commit-id: 133326ae40

include/GuiSys/CGuiSys.hpp

@@ -26,7 +26,7 @@ public:
   }
 
 private:
-  u8 pad[0x14];
+  uchar pad[0x14];
 
   static CGuiSys* spGuiSys;
 };