tdf#89329: use unique_ptr for pImpl in hyperlabel

Change-Id: I697eb48591c53ba27c99fc86baa4b8b33e7c9fd1
Reviewed-on: https://gerrit.libreoffice.org/25474Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

include/svtools/hyperlabel.hxx

@@ -29,14 +29,12 @@
 
 namespace svt
 {
-
-
     class HyperLabelImpl;
 
     class HyperLabel : public FixedText
     {
     protected:
-        HyperLabelImpl*     m_pImpl;
+        std::unique_ptr<HyperLabelImpl>     m_pImpl;
         Link<HyperLabel*,void>  maClickHdl;
 
         virtual void        MouseMove( const MouseEvent& rMEvt ) override;

svtools/source/control/hyperlabel.cxx

@@ -159,7 +159,7 @@ namespace svt
 
     void HyperLabel::dispose()
     {
-        delete m_pImpl;
+        m_pImpl.reset();
         FixedText::dispose();
     }