Re: [PATCH v7 0/6] MR4092: user32: Actually implement RealGetWindowClass{A/W}.

[Jinoh Kang (＠iamahuman)]

Jinoh Kang (@iamahuman) commented about dlls/win32u/window.c:
>  return TRUE;
>
> }
>
> +static BOOL set_real_window_class_id( HWND hwnd, DWORD param )
> +{
> - WND *win = get_win_ptr( hwnd );
> -
> - if (!win) return FALSE;
> - if (win == WND_OTHER_PROCESS || win == WND_DESKTOP)
> - {
> -
>    ERR("Tried to set real window class on a window belonging to another process.\n");
> -
>    return FALSE;
> - }
> -
> - if (!win->real_class_id)

Is this merely an optimization to opportunistically avoid server calls? If so, it should behave the same as if the `if()` guard did not exist.

```suggestion:-0+0
    if (win->real_class_id != param)
```