Re: [PATCH v31 0/8] MR3103: server: Create and use a desktop shared mapping for GetCursorPos.

[Jinoh Kang (＠iamahuman)]

Empty unions either need a `char dummy;` or should be squashed into future commits in sequence I think. MSVC complains:
> error C2016: C requires that a struct or union has at least one member

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3103#note_68998