Make more FuText members private

...and remove unused aOldLink

Change-Id: Ie1ff1db7c72e8efcfab3e61c31d03f5c9068275f

sd/source/ui/inc/futext.hxx

@@ -78,16 +78,15 @@ protected:
         SdDrawDocument* pDoc,
         SfxRequest& rReq);
 
+private:
     virtual void disposing() SAL_OVERRIDE;
 
     SdrObjectWeakRef    mxTextObj;
-    Link<>              aOldLink;
     bool                bFirstObjCreated;
     bool                bJustEndedEdit;
 
     SfxRequest&         rRequest;
 
-private:
     void ImpSetAttributesForNewTextObject(SdrTextObj* pTxtObj);
     void ImpSetAttributesFitToSize(SdrTextObj* pTxtObj);
     void ImpSetAttributesFitToSizeVertical(SdrTextObj* pTxtObj);