comctl32/listview: fix icon spacing calculation [try 2]

[Nikolay Sivov]

On 1/15/2013 00:53, Daniel Jelinski wrote:

> +    if(lParam == -1)
> +      return LISTVIEW_SetIconSpacing(infoPtr, -1, -1);
> +    return LISTVIEW_SetIconSpacing(infoPtr, LOWORD(lParam), HIWORD(lParam));
Why do you need to handle this case specially? If it's -1 for 64bit 
comctl32 it should give you the same values with HIWORD/LOWORD as it 
does for 32bit.