PropertyNameSupplier: use std::unique_ptr<>

Change-Id: I1e4cf3241bee20677f61ea334efc3aa4e490a016

writerfilter/source/dmapper/PropertyIds.cxx

@@ -34,14 +34,13 @@ struct PropertyNameSupplier_Impl
 
 
 PropertyNameSupplier::PropertyNameSupplier() :
-    m_pImpl(new PropertyNameSupplier_Impl)
+    m_pImpl(new PropertyNameSupplier_Impl())
 {
 }
 
 
 PropertyNameSupplier::~PropertyNameSupplier()
 {
-    delete m_pImpl;
 }
 
 

writerfilter/source/dmapper/PropertyIds.hxx

@@ -19,6 +19,7 @@
 #ifndef INCLUDED_WRITERFILTER_SOURCE_DMAPPER_PROPERTYIDS_HXX
 #define INCLUDED_WRITERFILTER_SOURCE_DMAPPER_PROPERTYIDS_HXX
 
+#include <memory>
 
 namespace writerfilter {
 namespace dmapper{
@@ -380,7 +381,7 @@ enum PropertyIds
 struct PropertyNameSupplier_Impl;
 class PropertyNameSupplier
 {
-    PropertyNameSupplier_Impl* m_pImpl;
+    std::unique_ptr<PropertyNameSupplier_Impl> m_pImpl;
 public:
     PropertyNameSupplier();
     ~PropertyNameSupplier();