PVS-Studio warning V547 for CLucene

const TCHAR* getQueryName() const;

Query* MultiFieldQueryParser::parse(....)
{
  ....
  Query* q = QueryParser::parse(query, fields[i], analyzer);
  if (q && (q->getQueryName() != _T("BooleanQuery")
      || ((BooleanQuery*)q)->getClauseCount() > 0)) {
  ....
}

This suspicious code was found in CLucene project by PVS-Studio static code analyzer.
Warning message is:
V547 Expression 'q->getQueryName() != L"BooleanQuery"' is always true. To compare strings you should use wcscmp() function. multifieldqueryparser.cpp 44

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/