message: gltfpack: Minor writeEmbeddedImage cleanup
  There's no need to align image data or to use .append here.
diff: @@ -2189,10 +2189,7 @@ void writeEmbeddedImage(std::string& json, std::vector<BufferView>& views, const
  size_t view = getBufferView(views, BufferView::Kind_Image, -1, 1, false);
  assert(views[view].data.empty());
  - views[view].data.append(data, size);
  -
  - // each chunk must be aligned to 4 bytes
  - views[view].data.resize((views[view].data.size() + 3) & ~3);
  + views[view].data.assign(data, size);
  append(json, "\"bufferView\":");
  append(json, view);
  