loplugin:useuniqueptr in SwUndoSaveSection

Change-Id: I0d4efde9ffa3a026052303eda4fe4dbbd48b22bc
Reviewed-on: https://gerrit.libreoffice.org/57306
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/inc/undobj.hxx

@@ -186,7 +186,7 @@ public:
 class SwUndoSaveSection : private SwUndoSaveContent
 {
     std::unique_ptr<SwNodeIndex> m_pMovedStart;
-    SwRedlineSaveDatas* pRedlSaveData;
+    std::unique_ptr<SwRedlineSaveDatas> pRedlSaveData;
     sal_uLong nMvLen;           // Index into UndoNodes-Array.
     sal_uLong nStartPos;
 

sw/source/core/undo/undobj.cxx

@@ -1195,7 +1195,7 @@ SwUndoSaveSection::~SwUndoSaveSection()
 
         m_pMovedStart.reset();
     }
-    delete pRedlSaveData;
+    pRedlSaveData.reset();
 }
 
 void SwUndoSaveSection::SaveSection( const SwNodeIndex& rSttIdx )
@@ -1219,11 +1219,10 @@ void SwUndoSaveSection::SaveSection(
         SwDoc::CorrAbs( aSttIdx, aEndIdx, SwPosition( aMvStt ), true );
     }
 
-    pRedlSaveData = new SwRedlineSaveDatas;
+    pRedlSaveData.reset( new SwRedlineSaveDatas );
     if( !SwUndo::FillSaveData( aPam, *pRedlSaveData ))
     {
-        delete pRedlSaveData;
-        pRedlSaveData = nullptr;
+        pRedlSaveData.reset();
     }
 
     nStartPos = rRange.aStart.GetIndex();
@@ -1278,8 +1277,7 @@ void SwUndoSaveSection::RestoreSection( SwDoc* pDoc, const SwNodeIndex& rInsPos
         if( pRedlSaveData )
         {
             SwUndo::SetSaveData( *pDoc, *pRedlSaveData );
-            delete pRedlSaveData;
-            pRedlSaveData = nullptr;
+            pRedlSaveData.reset();
         }
     }
 }