update log_subrequest

src/http/ngx_http_request.c

diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index 2b60026..2be20aa 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1823,6 +1823,10 @@
                                "http wake parent request: \"%V?%V\"",
                                &pr->uri, &pr->args);
 
+                if (clcf->log_subrequest) {
+                    ngx_http_log_request(r);
+                }
+
                 pr->write_event_handler(pr);
             }