PVS-Studio warning V603 for OpenCOLLADA

struct ParserString : public UnionString
{
  ParserString()
  {
    UnionString::str = 0;
    UnionString::length = 0;
  }

  ParserString(const int& val)
  {
    ParserString();
  }
};

This suspicious code was found in OpenCOLLADA project by PVS-Studio static code analyzer.
Warning message is:
V603 The object was created but it is not being used. If you wish to call constructor, 'this->ParserString::ParserString(....)' should be used. generatedsaxparsertypes.h 56

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