tdf#89329: use unique_ptr for pImpl in xmlnumfe

Change-Id: I1c07b20f187d4b7045d68e0b7f95725de039bf77
Reviewed-on: https://gerrit.libreoffice.org/25743Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

include/xmloff/xmlnumfe.hxx

@@ -26,6 +26,7 @@
 #include <com/sun/star/util/XNumberFormatsSupplier.hpp>
 #include <com/sun/star/uno/Sequence.h>
 #include <rtl/ustrbuf.hxx>
+#include <memory>
 
 #define XML_WRITTENNUMBERSTYLES "WrittenNumberStyles"
 
@@ -49,7 +50,7 @@ private:
     OUString             sPrefix;
     SvNumberFormatter*          pFormatter;
     OUStringBuffer       sTextContent;
-    SvXMLNumUsedList_Impl*      pUsedList;
+    std::unique_ptr<SvXMLNumUsedList_Impl>      pUsedList;
     CharClass*                  pCharClass;
     LocaleDataWrapper*          pLocaleData;
 

xmloff/source/style/xmlnumfe.cxx

@@ -254,7 +254,7 @@ SvXMLNumFmtExport::SvXMLNumFmtExport(
         pLocaleData = new LocaleDataWrapper( rExport.getComponentContext(), aLanguageTag );
     }
 
-    pUsedList = new SvXMLNumUsedList_Impl;
+    pUsedList.reset(new SvXMLNumUsedList_Impl);
 }
 
 SvXMLNumFmtExport::SvXMLNumFmtExport(
@@ -288,12 +288,11 @@ SvXMLNumFmtExport::SvXMLNumFmtExport(
         pLocaleData = new LocaleDataWrapper( rExport.getComponentContext(), aLanguageTag );
     }
 
-    pUsedList = new SvXMLNumUsedList_Impl;
+    pUsedList.reset(new SvXMLNumUsedList_Impl);
 }
 
 SvXMLNumFmtExport::~SvXMLNumFmtExport()
 {
-    delete pUsedList;
     delete pLocaleData;
     delete pCharClass;
 }