message: NOBUG simplified code.
diff: @@ -168,9 +168,7 @@ impl PostingsSerializer {
  if self.text_indexing_options.is_termfreq_enabled() {
  let block_encoded = self.block_encoder
  .compress_vint_unsorted(&self.term_freqs[..]);
  - for num in block_encoded {
  - num.serialize(&mut self.postings_write)?;
  - }
  + self.postings_write.write_all(block_encoded)?;
  self.term_freqs.clear();
  }
  }
  