loplugin:useuniqueptr in SwUndoSort

Change-Id: I9e524c9c653fd4b1f61e407eee12ca3a7fdc14df
Reviewed-on: https://gerrit.libreoffice.org/57420
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/core/inc/UndoSort.hxx

@@ -61,9 +61,9 @@ typedef std::vector<SwNodeIndex*> SwUndoSortList;
 
 class SwUndoSort : public SwUndo, private SwUndRng
 {
-    SwSortOptions*    pSortOpt;
+    std::unique_ptr<SwSortOptions>    pSortOpt;
     std::vector<std::unique_ptr<SwSortUndoElement>> m_SortList;
-    SwUndoAttrTable*  pUndoTableAttr;
+    std::unique_ptr<SwUndoAttrTable>  pUndoTableAttr;
     sal_uLong         nTableNd;
 
 public:

sw/source/core/undo/unsort.cxx

@@ -48,7 +48,7 @@ SwUndoSort::SwUndoSort(const SwPaM& rRg, const SwSortOptions& rOpt)
     , pUndoTableAttr(nullptr)
     , nTableNd(0)
 {
-    pSortOpt = new SwSortOptions(rOpt);
+    pSortOpt.reset( new SwSortOptions(rOpt) );
 }
 
 SwUndoSort::SwUndoSort( sal_uLong nStt, sal_uLong nEnd, const SwTableNode& rTableNd,
@@ -59,15 +59,15 @@ SwUndoSort::SwUndoSort( sal_uLong nStt, sal_uLong nEnd, const SwTableNode& rTabl
     nEndNode = nEnd;
     nTableNd   = rTableNd.GetIndex();
 
-    pSortOpt = new SwSortOptions(rOpt);
+    pSortOpt.reset( new SwSortOptions(rOpt) );
     if( bSaveTable )
-        pUndoTableAttr = new SwUndoAttrTable( rTableNd );
+        pUndoTableAttr.reset( new SwUndoAttrTable( rTableNd ) );
 }
 
 SwUndoSort::~SwUndoSort()
 {
-    delete pSortOpt;
-    delete pUndoTableAttr;
+    pSortOpt.reset();
+    pUndoTableAttr.reset();
 }
 
 void SwUndoSort::UndoImpl(::sw::UndoRedoContext & rContext)