QUIC: defer stream removal until all its data is acked. Previously, stream was kept alive until all its data is sent. This resulted in disabling retransmission of final part of stream when QUIC connection was closed right after closing stream connection.

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


cat << END >> $NGX_AUTO_CONFIG_H

#ifndef $have
#define $have  $value
#endif

END