message: Fix typo.
  Thanks a lot for spotting this issue!
diff: @@ -4933,7 +4933,7 @@ int main( int argc, char **argv )
  #endif
  #if !defined(VULKAN_HPP_INLINE)
  -# if defined(__clang___)
  +# if defined(__clang__)
  # if __has_attribute(always_inline)
  # define VULKAN_HPP_INLINE __attribute__((always_inline)) __inline__
  # else
  