message: gltfio: honor stride in normalizeSkinningWeights.
  This fixes the issue seen with RecursiveSkeletons.gltf, which is a model
  that might soon be added to the Khronos sample models repo.
  Fixes
diff: @@ -889,11 +889,11 @@ void ResourceLoader::normalizeSkinningWeights(FFilamentAsset* asset) const {
  return;
  }
  uint8_t* bytes = (uint8_t*) data->buffer_view->buffer->data;
  - float4* floats = (float4*) (bytes + data->offset + data->buffer_view->offset);
  - for (cgltf_size i = 0; i < data->count; ++i) {
  - float4 weights = floats[i];
  - float sum = weights.x + weights.y + weights.z + weights.w;
  - floats[i] = weights / sum;
  + bytes += data->offset + data->buffer_view->offset;
  + for (cgltf_size i = 0, n = data->count; i < n; ++i, bytes += data->stride) {
  + float4* weights = (float4*) bytes;
  + const float sum = weights->x + weights->y + weights->z + weights->w;
  + *weights /= sum;
  }
  };
  const cgltf_data* gltf = asset->mSourceAsset->hierarchy;
  