nghttpx: Use const ref

1240e55b · Tatsuhiro Tsujikawa · 75039c57 · 1240e55b
Commit 1240e55b authored Oct 03, 2016 by Tatsuhiro Tsujikawa
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src/shrpx_http2_downstream_connection.cc src/shrpx_http2_downstream_connection.cc +1 -1

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--- a/src/shrpx_http2_downstream_connection.cc
+++ b/src/shrpx_http2_downstream_connection.cc
@@ -357,7 +357,7 @@ int Http2DownstreamConnection::push_request_headers() {
  if (xffconf.add) {
    StringRef xff_value;
-    auto addr = upstream->get_client_handler()->get_ipaddr();
+    const auto &addr = upstream->get_client_handler()->get_ipaddr();
    if (xff) {
      xff_value = concat_string_ref(balloc, xff->value,
                                    StringRef::from_lit(", "), addr);