use std::unique_ptr

Change-Id: I39475538ed838e4210e256d85c6dd46232f8dc50

include/xmloff/XMLTextListAutoStylePool.hxx

@@ -25,6 +25,7 @@
 #include <sal/types.h>
 #include <rtl/ustring.hxx>
 #include <com/sun/star/ucb/XAnyCompare.hpp>
+#include <memory>
 #include <set>
 
 namespace com { namespace sun { namespace star { namespace container {
@@ -42,7 +43,7 @@ class XMLOFF_DLLPUBLIC XMLTextListAutoStylePool
 
     OUString sPrefix;
 
-    XMLTextListAutoStylePool_Impl *pPool;
+    std::unique_ptr<XMLTextListAutoStylePool_Impl> pPool;
     XMLTextListAutoStylePoolNames_Impl m_aNames;
     sal_uInt32 nName;
 

xmloff/source/text/XMLTextListAutoStylePool.cxx

@@ -157,7 +157,6 @@ XMLTextListAutoStylePool::~XMLTextListAutoStylePool()
 {
     // The XMLTextListAutoStylePoolEntry_Impl object in the pool need delete explicitly in dtor.
     pPool->DeleteAndDestroyAll();
-    delete pPool;
 }
 
 void XMLTextListAutoStylePool::RegisterName( const OUString& rName )