Fix primitive int types on 64-bit non-Windows targets

`long` is variable-sized on non-Windows targets, so don't use it.

Added some static_asserts to confirm this is the case.

files.cmake

@@ -1314,6 +1314,7 @@ set(REL_FILES
 )
 
 set(DUSK_FILES
+        src/dusk/asserts.cpp
         src/dusk/imgui.cpp
         src/dusk/stubs.cpp
         src/dusk/extras.c

include/dolphin/types.h

@@ -8,8 +8,13 @@ typedef signed   char          s8;
 typedef unsigned char          u8;
 typedef signed   short int     s16;
 typedef unsigned short int     u16;
+#if TARGET_PC
+typedef signed   int           s32;
+typedef unsigned int           u32;
+#else
 typedef signed   long          s32;
 typedef unsigned long          u32;
+#endif
 typedef signed   long long int s64;
 typedef unsigned long long int u64;
 

src/dusk/asserts.cpp

@@ -0,0 +1,11 @@
+#include <cstdint>
+#include <dolphin/types.h>
+
+static_assert(sizeof(u8) == sizeof(uint8_t));
+static_assert(sizeof(s8) == sizeof(int8_t));
+static_assert(sizeof(u16) == sizeof(uint16_t));
+static_assert(sizeof(s16) == sizeof(int16_t));
+static_assert(sizeof(u32) == sizeof(uint32_t));
+static_assert(sizeof(s32) == sizeof(int32_t));
+static_assert(sizeof(u64) == sizeof(uint64_t));
+static_assert(sizeof(s64) == sizeof(int64_t));