Re: [PATCH v30 0/8] MR3103: server: Create and use a desktop shared mapping for GetCursorPos.

[Jinoh Kang (＠iamahuman)]

(nit) Ensure that the caller doesn't access stale pointer. (also needed by the `if (*object_shm)` suggestion)

```suggestion:-0+0

        *object_shm = NULL;
```

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3103#note_67368