bugfix

    // telling the peer, it has no reason to hurry its send, so its own

    // retirement (and the MAX_STREAMS credit that depends on it) may not

    // happen for a long time, or ever. STOP_SENDING asks it to abort now.

    if (!stream.recv_fin) {

    // Only worth sending if we actually asked the peer for something

    // (send_offset > 0) — a stream opened and closed without ever sending

    // data has nothing in flight to stop, and firing STOP_SENDING for every

    // such no-op stream is needless wire traffic (observed to visibly

    // degrade unrelated traffic on the same connection when done in bulk).

    if (!stream.recv_fin && stream.send_offset > 0) {

        stopSending(stream_id);

    }