loplugin:useuniqueptr in xmloff

Change-Id: I686706adcf598ec63eea6d288bc1e202120a9276
Reviewed-on: https://gerrit.libreoffice.org/39853
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

xmloff/inc/MultiPropertySetHelper.hxx

@@ -21,6 +21,7 @@
 
 #include <rtl/ustring.hxx>
 #include <com/sun/star/uno/Sequence.hxx>
+#include <memory>
 
 
 namespace com { namespace sun { namespace star {
@@ -65,7 +66,7 @@ class MultiPropertySetHelper
 
     /// an array of indices that maps from pPropertyNames indices to
     /// aPropertySequence indices
-    sal_Int16* pSequenceIndex;
+    std::unique_ptr<sal_Int16[]> pSequenceIndex;
 
     /// the last set of values retrieved by getValues
     css::uno::Sequence< css::uno::Any > aValues;

xmloff/source/style/MultiPropertySetHelper.cxx

@@ -56,7 +56,6 @@ MultiPropertySetHelper::~MultiPropertySetHelper()
 {
     pValues = nullptr; // memory 'owned' by aValues
 
-    delete[] pSequenceIndex;
     delete[] pPropertyNames;
 }
 
@@ -67,8 +66,8 @@ void MultiPropertySetHelper::hasProperties(
     SAL_WARN_IF( !rInfo.is(), "xmloff", "I'd really like an XPropertySetInfo here." );
 
     // allocate sequence index
-    if ( nullptr == pSequenceIndex )
-        pSequenceIndex = new sal_Int16[nLength] ;
+    if ( !pSequenceIndex )
+        pSequenceIndex.reset( new sal_Int16[nLength] );
 
     // construct pSequenceIndex
     sal_Int16 nNumberOfProperties = 0;