comctl32: Use SetRect() instead of open coding it.

[Sebastian Lackner]

On 29.04.2016 15:21, Michael Stefaniuc wrote:
> -    rcDragIcon.left = rcListBox.left - DRAGICON_HOTSPOT_X;
> -    rcDragIcon.top = rcItem.top - DRAGICON_HOTSPOT_Y;
> -    rcDragIcon.right = rcListBox.left;
> -    rcDragIcon.bottom = rcDragIcon.top + DRAGICON_HEIGHT;
> +    SetRect(&rcDragIcon, rcListBox.left - DRAGICON_HOTSPOT_X, rcItem.top - DRAGICON_HOTSPOT_Y,
> +            rcListBox.left, rcDragIcon.top + DRAGICON_HEIGHT);

This won't work as expected. Haven't checked if there are more similar cases.