tests: fix dangling-reference warning with gcc 13
Change-Id: I73531e291d9b3146f3778c21a262d328d98eb26b
diff --git a/tests/unit/util/io.t.cpp b/tests/unit/util/io.t.cpp
index 9fcafd7..9658d04 100644
--- a/tests/unit/util/io.t.cpp
+++ b/tests/unit/util/io.t.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
@@ -381,7 +381,8 @@
BOOST_FIXTURE_TEST_CASE(IdCert, IdCertFixture)
{
auto identity = m_keyChain.createIdentity("/TestIo/IdCert", RsaKeyParams());
- const auto& cert = identity.getDefaultKey().getDefaultCertificate();
+ auto key = identity.getDefaultKey();
+ const auto& cert = key.getDefaultCertificate();
io::save(cert, filename);
auto readCert = io::load<security::Certificate>(filename);