message: Fix debug assertion in encode_headr_block
diff: @@ -345,7 +345,7 @@ impl QPackEncoder {
  // The streams was not a blocker, check if the stream is a blocker now.
  if let Some(max_ref) = ref_entries.iter().max() {
  if *max_ref >= self.table.get_acked_inserts_cnt() {
  - debug_assert!(self.blocked_stream_cnt < self.max_blocked_streams);
  + debug_assert!(self.blocked_stream_cnt <= self.max_blocked_streams);
  self.blocked_stream_cnt += 1;
  }
  }
  