message: [tf.data] Avoid using designated initializer syntax in snapshot_util.cc.
  This syntax was added to the standard in C++20 and is not supported in our Windows build.
diff: @@ -402,16 +402,15 @@ Status Reader::MakeNestedDataset(Env* env,
  datasets.reserve(filenames.size());
  for (const auto& filename : filenames) {
  - datasets.push_back(new Dataset(
  - filename, compression_type, version, dtypes, shapes,
  - DatasetContext::Params{.type_string = "snapshot_util::Reader::Dataset",
  - .node_name = "snapshot_util_reader_Dataset"}));
  + datasets.push_back(
  + new Dataset(filename, compression_type, version, dtypes, shapes,
  + DatasetContext::Params({"snapshot_util::Reader::Dataset",
  + "snapshot_util_reader_Dataset"})));
  }
  *output = new NestedDataset(
  - datasets, DatasetContext::Params{
  - .type_string = "snapshot_util::Reader::NestedDataset",
  - .node_name = "snapshot_util_reader_NestedDataset"});
  + datasets, DatasetContext::Params({"snapshot_util::Reader::NestedDataset",
  + "snapshot_util_reader_NestedDataset"}));
  return Status::OK();
  }
  