message: Fix compilation of demos project on 32-bit
diff: #define VK_NO_PROTOTYPES
  +#if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__)) || \
  + defined(_M_X64) || defined(__ia64) || defined(_M_IA64) || defined(__aarch64__) || \
  + defined(__powerpc64__)
  +
  +#else
  +
  +// make handles typed even on 32-bit, by relying on C++
  +#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(obj) \
  + struct obj \
  + { \
  + obj() : handle(0) {} \
  + obj(uint64_t x) : handle(x) {} \
  + bool operator==(const obj &other) const { return handle == other.handle; } \
  + bool operator<(const obj &other) const { return handle < other.handle; } \
  + bool operator!=(const obj &other) const { return handle != other.handle; } \
  + bool operator==(const int &other) const { return handle == other; } \
  + bool operator!=(const int &other) const { return handle != other; } \
  + operator bool() const { return handle != 0; } \
  + uint64_t handle; \
  + };
  +
  +#endif
  +
  // first include our local vulkan to ensure it's used over any system header
  #include "official/vulkan/vulkan.h"
  