HTTP: controlling response headers support.

src/nxt_http_request.c

@@ -630,9 +630,15 @@ nxt_http_request_header_send(nxt_task_t *task, nxt_http_request_t *r,
     nxt_work_handler_t body_handler, void *data)
 {
     u_char             *p, *end, *server_string;
+    nxt_int_t          ret;
     nxt_http_field_t   *server, *date, *content_length;
     nxt_socket_conf_t  *skcf;
 
+    ret = nxt_http_set_headers(r);
+    if (nxt_slow_path(ret != NXT_OK)) {
+        goto fail;
+    }
+
     /*
      * TODO: "Server", "Date", and "Content-Length" processing should be moved
      * to the last header filter.