loplugin:useuniqueptr in SwUndoSplitNode

Change-Id: Ib77b31a7558b5d3c928d774d3c6bdaeff26c177d
Reviewed-on: https://gerrit.libreoffice.org/57366
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/core/inc/UndoSplitMove.hxx

@@ -25,7 +25,7 @@
 class SwUndoSplitNode: public SwUndo
 {
     std::unique_ptr<SwHistory> m_pHistory;
-    SwRedlineData* pRedlData;
+    std::unique_ptr<SwRedlineData> pRedlData;
     sal_uLong nNode;
     sal_Int32 nContent;
     bool bTableFlag : 1;

sw/source/core/undo/unspnd.cxx

@@ -56,7 +56,7 @@ SwUndoSplitNode::SwUndoSplitNode( SwDoc* pDoc, const SwPosition& rPos,
     // consider Redline
     if( pDoc->getIDocumentRedlineAccess().IsRedlineOn() )
     {
-        pRedlData = new SwRedlineData( nsRedlineType_t::REDLINE_INSERT, pDoc->getIDocumentRedlineAccess().GetRedlineAuthor() );
+        pRedlData.reset( new SwRedlineData( nsRedlineType_t::REDLINE_INSERT, pDoc->getIDocumentRedlineAccess().GetRedlineAuthor() ) );
         SetRedlineFlags( pDoc->getIDocumentRedlineAccess().GetRedlineFlags() );
     }
 
@@ -66,7 +66,7 @@ SwUndoSplitNode::SwUndoSplitNode( SwDoc* pDoc, const SwPosition& rPos,
 SwUndoSplitNode::~SwUndoSplitNode()
 {
     m_pHistory.reset();
-    delete pRedlData;
+    pRedlData.reset();
 }
 
 void SwUndoSplitNode::UndoImpl(::sw::UndoRedoContext & rContext)