use std::unique_ptr in DocumentRedlineManager

Change-Id: Iba073b3a251827fefaba790e33dfc7c01b0b2154
Reviewed-on: https://gerrit.libreoffice.org/43897Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/core/doc/DocumentRedlineManager.cxx

@@ -2696,8 +2696,6 @@ void DocumentRedlineManager::checkRedlining(RedlineFlags& _rReadlineMode)
 
 DocumentRedlineManager::~DocumentRedlineManager()
 {
-    delete mpRedlineTable; mpRedlineTable = nullptr;
-    delete mpExtraRedlineTable; mpExtraRedlineTable = nullptr;
 }
 
 }

sw/source/core/inc/DocumentRedlineManager.hxx

@@ -130,8 +130,8 @@ private:
     SwDoc& m_rDoc;
 
     RedlineFlags meRedlineFlags;     //< Current Redline Mode.
-    SwRedlineTable        *mpRedlineTable;           //< List of all Ranged Redlines.
-    SwExtraRedlineTable   *mpExtraRedlineTable;      //< List of all Extra Redlines.
+    std::unique_ptr<SwRedlineTable> mpRedlineTable;           //< List of all Ranged Redlines.
+    std::unique_ptr<SwExtraRedlineTable> mpExtraRedlineTable;      //< List of all Extra Redlines.
     std::unique_ptr<OUString> mpAutoFormatRedlnComment;  //< Comment for Redlines inserted via AutoFormat.
     bool mbIsRedlineMove;    //< true: Redlines are moved into to / out of the section.
     bool mbReadlineChecked;    //< true: if the query was already shown