autorecovery: add assignment operator

comphelper/inc/comphelper/namedvaluecollection.hxx

@@ -64,6 +64,8 @@ namespace comphelper
 
         NamedValueCollection( const NamedValueCollection& _rCopySource );
 
+        NamedValueCollection& operator=( const NamedValueCollection& i_rCopySource );
+
         /** constructs a collection
             @param  _rElements
                 the wrapped elements of the collection. The <code>Any</code> might contain a sequence of

comphelper/source/misc/namedvaluecollection.cxx

@@ -88,7 +88,14 @@ namespace comphelper
     NamedValueCollection::NamedValueCollection( const NamedValueCollection& _rCopySource )
         :m_pImpl( new NamedValueCollection_Impl )
     {
-        m_pImpl->aValues = _rCopySource.m_pImpl->aValues;
+        *this = _rCopySource;
+    }
+
+    //--------------------------------------------------------------------
+    NamedValueCollection& NamedValueCollection::operator=( const NamedValueCollection& i_rCopySource )
+    {
+        m_pImpl->aValues = i_rCopySource.m_pImpl->aValues;
+        return *this;
     }
 
     //--------------------------------------------------------------------