[PATCH v4 0/1] MR21: include/guiddef.h: use Mingw64's __uuidof when present

[eric pouech (＠epo)]

otherwise Wine's and Mingw64's __uuidof() enter in conflict (C++)

Signed-off-by: Eric Pouech

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  v4: include: Use Mingw64's __uuidof when present.

https://gitlab.winehq.org/wine/wine/-/merge_requests/21