[PATCH v2 0/2] MR747: vkd3d: Add some missing includes.

[Giovanni Mascellani (＠giomasce)]

--
  v2: tests: Include vkd3d_d3d12.h in utils.h.
      include: Include stddef.h in vkd3d_shader.h.
 
https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/747