message: rename variable upon review
diff: @@ -167,11 +167,11 @@ class TFRecordDatasetOp::Dataset : public DatasetBase {
  // We are currently processing a file, so try to skip reading
  // the next (num_to_skip - *num_skipped) record.
  if (reader_) {
  - int num_skipped_once;
  + int last_num_skipped;
  Status s =
  reader_->SkipRecords(num_to_skip - *num_skipped,
  - &num_skipped_once);
  - *num_skipped += num_skipped_once;
  + &last_num_skipped);
  + *num_skipped += last_num_skipped;
  if (s.ok()) {
  *end_of_sequence = false;
  return Status::OK();
  