[PATCH v2 0/1] MR2537: include: Add windows.ui.core.idl file.

[Mohamad Al-Jaf (＠maljaf)]

Needed for mingw Firefox build.

It looks like CoreDispatcher was added as a forward declaration for `ICompositionObject`: https://searchfox.org/mozilla-central/source/taskcluster/scripts/misc/mingw-...

However, just having `interface ICoreDispatcher;` alone does not generate the IUnknown methods. I don't know if commenting out the functions is acceptable.

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  v2: include: Add windows.ui.core.idl file.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2537