minor arch.h change
@@ -34,12 +34,14 @@ typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
-typedef signed long long int64_t;
-typedef unsigned long long uint64_t;
#if defined(_WIN64)
+typedef signed __int64 int64_t;
+typedef unsigned __int64 uint64_t;
typedef signed __int64 intptr_t;
typedef unsigned __int64 uintptr_t;
#else
+typedef signed long long int64_t;
+typedef unsigned long long uint64_t;
typedef signed long intptr_t;
typedef unsigned long uintptr_t;
#endif
