tdf#89329: use unique_ptr for pImpl in officeforms

Change-Id: Icdf742cbdbecab11be6a3fdd4387ade1c8fd7c15
Reviewed-on: https://gerrit.libreoffice.org/28368Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

xmloff/source/forms/officeforms.cxx

@@ -121,12 +121,11 @@ namespace xmloff
     {
         addModelAttributes(_rExp);
 
-        m_pImplElement = new SvXMLElementExport(_rExp, XML_NAMESPACE_OFFICE, XML_FORMS, true, true);
+        m_pImplElement.reset( new SvXMLElementExport(_rExp, XML_NAMESPACE_OFFICE, XML_FORMS, true, true) );
     }
 
     OFormsRootExport::~OFormsRootExport( )
     {
-        delete m_pImplElement;
     }
 
     void OFormsRootExport::implExportBool(SvXMLExport& _rExp, OfficeFormsAttributes _eAttribute,

xmloff/source/forms/officeforms.hxx

@@ -22,6 +22,7 @@
 
 #include "formattributes.hxx"
 #include <xmloff/xmlictxt.hxx>
+#include <memory>
 #include "logging.hxx"
 
 class SvXMLElementExport;
@@ -61,7 +62,7 @@ namespace xmloff
     class OFormsRootExport
     {
     private:
-        SvXMLElementExport*     m_pImplElement;
+        std::unique_ptr<SvXMLElementExport>     m_pImplElement;
 
     public:
         explicit OFormsRootExport( SvXMLExport& _rExp );