hwc test: 64-bit compilation error

        // mod the wMod/hMod value must be equal to 0.

        size_t w = (width * maxSizeRatio) * testRandFract();

        size_t h = (height * maxSizeRatio) * testRandFract();

        w = max(1u, w);

        h = max(1u, h);

        w = max(size_t(1u), w);

        h = max(size_t(1u), h);

        if ((w % formatPtr->wMod) != 0) {

            w += formatPtr->wMod - (w % formatPtr->wMod);

        }