writerfilter: pass these by value and use std::move()

Change-Id: I9a763eacf8887230ba5d88ac69cb13d0cfb1a7ee
Reviewed-on: https://gerrit.libreoffice.org/61274
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

writerfilter/source/rtftok/rtfreferenceproperties.cxx

@@ -13,14 +13,14 @@ namespace writerfilter
 {
 namespace rtftok
 {
-RTFReferenceProperties::RTFReferenceProperties(const RTFSprms& rAttributes, const RTFSprms& rSprms)
-    : m_aAttributes(rAttributes)
-    , m_aSprms(rSprms)
+RTFReferenceProperties::RTFReferenceProperties(RTFSprms aAttributes, RTFSprms aSprms)
+    : m_aAttributes(std::move(aAttributes))
+    , m_aSprms(std::move(aSprms))
 {
 }
 
-RTFReferenceProperties::RTFReferenceProperties(const RTFSprms& rAttributes)
-    : m_aAttributes(rAttributes)
+RTFReferenceProperties::RTFReferenceProperties(RTFSprms aAttributes)
+    : m_aAttributes(std::move(aAttributes))
 {
 }
 

writerfilter/source/rtftok/rtfreferenceproperties.hxx

@@ -20,8 +20,8 @@ namespace rtftok
 class RTFReferenceProperties : public writerfilter::Reference<Properties>
 {
 public:
-    RTFReferenceProperties(const RTFSprms& rAttributes, const RTFSprms& rSprms);
-    explicit RTFReferenceProperties(const RTFSprms& rAttributes);
+    RTFReferenceProperties(RTFSprms aAttributes, RTFSprms aSprms);
+    explicit RTFReferenceProperties(RTFSprms aAttributes);
     ~RTFReferenceProperties() override;
     void resolve(Properties& rHandler) override;
     RTFSprms& getAttributes() { return m_aAttributes; }