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.