Merge "cast to unsigned to prepare for bit packing"

uint32_t MinikinFontSkia::packPaintFlags(const SkPaint* paint) {

    uint32_t flags = paint->getFlags();

    SkFontHinting hinting = (SkFontHinting)paint->getHinting();

    unsigned hinting = static_cast<unsigned>(paint->getHinting());

    // select only flags that might affect text layout

    flags &= (SkPaint::kAntiAlias_Flag | SkPaint::kFakeBoldText_Flag | SkPaint::kLinearText_Flag |

              SkPaint::kSubpixelText_Flag | SkPaint::kEmbeddedBitmapText_Flag |