QXmlSchemaValidator leaks memory

  try
 {
  // load the schema doc
  QFile xsdFile(Validation::MH_XML_SCHEMA);
  if (xsdFile.exists() && xsdFile.open(QIODevice::ReadOnly | QIODevice::Text))
  {
   // load the schema that we're going to compare xmlDoc against
   QXmlSchema schema;
   if (schema.load(&xsdFile))
   {
    QXmlSchemaValidator validator(schema);
    Validation::MessageHandler msgHandler;    // set a custom message handler
    validator.setMessageHandler(&msgHandler);    // do the validation
    success = validator.validate(xmlDoc.toUtf8());
...