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/types.h

@@ -11,6 +11,7 @@ extern "C" {
 
 // Dolphin u32 is unsigned long
 typedef unsigned int uint;
+typedef unsigned short ushort;
 typedef unsigned char uchar;
 
 // Pointer to unknown, to be determined at a later date.