Fix clang-tidy performance warnings

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/x509/x509self.cpp b/src/lib/x509/x509self.cpp
index ad43055c4..0cd77d367 100644
--- a/src/lib/x509/x509self.cpp
+++ b/src/lib/x509/x509self.cpp
@@ -29,7 +29,7 @@ void load_info(const X509_Cert_Options& opts, X509_DN& subject_dn,
    subject_dn.add_attribute("X520.Locality", opts.locality);
    subject_dn.add_attribute("X520.Organization", opts.organization);
    subject_dn.add_attribute("X520.OrganizationalUnit", opts.org_unit);
-   for(auto extra_ou : opts.more_org_units) {
+   for(const auto& extra_ou : opts.more_org_units) {
       subject_dn.add_attribute("X520.OrganizationalUnit", extra_ou);
    }
 
@@ -38,7 +38,7 @@ void load_info(const X509_Cert_Options& opts, X509_DN& subject_dn,
    subject_alt.add_othername(OID::from_string("PKIX.XMPPAddr"),
                              opts.xmpp, ASN1_Type::Utf8String);
 
-   for(auto dns : opts.more_dns)
+   for(const auto& dns : opts.more_dns)
       subject_alt.add_attribute("DNS", dns);
    }
 }