xmlsecurity: fix loplugin:passstuffbyref warnings

Change-Id: I627abfe33e9c2fc4243276706c1624ce19943678

2 files changed, 2 insertions, 2 deletions

diff --git a/xmlsecurity/inc/digitalsignaturesdialog.hxx b/xmlsecurity/inc/digitalsignaturesdialog.hxx
index e49419e57a4a..9f488bb91c9f 100644
--- a/xmlsecurity/inc/digitalsignaturesdialog.hxx
+++ b/xmlsecurity/inc/digitalsignaturesdialog.hxx
@@ -103,7 +103,7 @@ private:
 
     css::uno::Reference<css::security::XCertificate> getCertificate(const SignatureInformation& rInfo);
     css::uno::Reference<css::xml::crypto::XSecurityEnvironment> getSecurityEnvironmentForCertificate(
-        css::uno::Reference<css::security::XCertificate> xCert);
+        const css::uno::Reference<css::security::XCertificate>& xCert);
 
     //Checks if adding is allowed.
     //See the spec at specs/www/appwide/security/Electronic_Signatures_and_Security.sxw
diff --git a/xmlsecurity/inc/documentsignaturemanager.hxx b/xmlsecurity/inc/documentsignaturemanager.hxx
index eed54a5a32c7..f354ad8c8cbb 100644
--- a/xmlsecurity/inc/documentsignaturemanager.hxx
+++ b/xmlsecurity/inc/documentsignaturemanager.hxx
@@ -62,7 +62,7 @@ public:
     SignatureStreamHelper ImplOpenSignatureStream(sal_Int32 eStreamMode, bool bTempStream);
     /// Add a new signature, using xCert as a signing certificate, and rDescription as description.
     bool add(const css::uno::Reference<css::security::XCertificate>& xCert,
-             const css::uno::Reference<css::xml::crypto::XXMLSecurityContext> xSecurityContext,
+             const css::uno::Reference<css::xml::crypto::XXMLSecurityContext>& xSecurityContext,
              const OUString& rDescription, sal_Int32& nSecurityId, bool bAdESCompliant);
     /// Remove signature at nPosition.
     void remove(sal_uInt16 nPosition);