nginx-0.1.16-RELEASE import

    *) Bugfix: if the response were transferred by chunks, then on the HEAD
       request the final chunk was issued.

    *) Bugfix: the "Connection: keep-alive" header were issued, even if the
       keepalive_timeout directive forbade the keep-alive use.

    *) Bugfix: the errors in the ngx_http_fastcgi_module caused the
       segmentation faults.

    *) Bugfix: the compressed response encrypted by SSL may not transferred
       complete.

    *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK
       options, are not used for the unix domain sockets.

    *) Feature: the rewrite directive supports the arguments rewriting.

    *) Bugfix: the response code 400 was returned for the POST request with
       the "Content-Length: 0" header; the bug had appeared in 0.1.14.
diff --git a/src/event/ngx_event_pipe.h b/src/event/ngx_event_pipe.h
index 9781820..887f8b7 100644
--- a/src/event/ngx_event_pipe.h
+++ b/src/event/ngx_event_pipe.h
@@ -88,6 +88,7 @@
 
 ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, int do_write);
 ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf);
+ngx_int_t ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b);
 
 
 #endif /* _NGX_EVENT_PIPE_H_INCLUDED_ */