rem: icon->image = wIconValidateIconSize(icon->core->screen_ptr, new_image);
add: icon->image = new_image;
context: wIconChangeImage(WIcon *icon, RImage *new_image){    assert(icon != NULL);        if (icon->image)        RReleaseImage(icon->image);    icon->image = wIconValidateIconSize(icon->core->screen_ptr, new_image);    wIconUpdate(icon);}