Re: [PATCH v4 0/5] MR5798: winemac: Push window surface updates to the main thread.

[Brendan Shanks (＠bshanks)]

Brendan Shanks (@bshanks) commented about dlls/winemac.drv/cocoa_window.m:
> }
>      }
>
> +    - (CGImageRef) setColorImage:(CGImageRef)image
> +    {
> +        CGImageRef previous = colorImage;
> +        colorImage = image;
> +        return previous;

I think it would be better to do the release/retain calls here in the setter, rather than in `macdrv_window_set_color_image()`. Then the setter can also return void.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/5798#note_73232