[PATCH v2 0/1] MR7566: wintypes: Add IBufferFactory stub.

[Mohamad Al-Jaf (＠maljaf)]

Needed for ISystemIdentificationInfo::get_Id().

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  v2: wintypes: Add IBufferFactory stub.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7566