[PATCH v2 0/1] MR7451: dlls/shell32: Fix IUnknown::QueryInterface() to meet spec

[Edward OC (＠funfunctor)]

The spec says if the passed pointer is NULL then return E_POINTER
and not to just unconditionally deref then set NULL.

Signed-off-by: Edward O'Callaghan <edward(a)antitrust.cc>

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  v2: dlls/shell32: Fix IUnknown::QueryInterface() to meet spec
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7451