loplugin:useuniqueptr in SvxXMeasurePreview

Change-Id: I03cbabee0cffe7fa8160e800143f34d10ab5a083
Reviewed-on: https://gerrit.libreoffice.org/55227Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/svx/measctrl.hxx

@@ -21,6 +21,7 @@
 
 #include <vcl/ctrl.hxx>
 #include <svx/svxdllapi.h>
+#include <memory>
 
 class SfxItemSet;
 class SdrMeasureObj;
@@ -32,7 +33,7 @@ class SVX_DLLPUBLIC SvxXMeasurePreview : public Control
 
 private:
     SdrMeasureObj* pMeasureObj;
-    SdrModel* pModel;
+    std::unique_ptr<SdrModel> pModel;
 
 public:
     SvxXMeasurePreview(vcl::Window* pParent, WinBits nStyle);

svx/source/dialog/measctrl.cxx

@@ -41,7 +41,7 @@ SvxXMeasurePreview::SvxXMeasurePreview(vcl::Window* pParent, WinBits nStyle)
     Point aPt1 = Point(aSize.Width() / 5, static_cast<long>(aSize.Height() / 2));
     Point aPt2 = Point(aSize.Width() * 4 / 5, static_cast<long>(aSize.Height() / 2));
 
-    pModel = new SdrModel();
+    pModel.reset(new SdrModel());
     pMeasureObj = new SdrMeasureObj(
         *pModel,
         aPt1,
@@ -88,7 +88,7 @@ void SvxXMeasurePreview::dispose()
     SdrObject* pTemp(pMeasureObj);
     SdrObject::Free(pTemp);
 
-    delete pModel;
+    pModel.reset();
     Control::dispose();
 }