Fixed bug in the TNLReader class

      this->reset();

      this->fileName = fileName;

      String meshType;

      if( ! getObjectType( fileName, meshType ) )

      String objectType;

      if( ! getObjectType( fileName, objectType ) )

      {

         std::cerr << "I am not able to detect the mesh type from the file " << fileName << "." << std::endl;

         return EXIT_FAILURE;

      }

      Containers::List< String > parsedMeshType;

      if( ! parseObjectType( meshType, parsedMeshType ) )

      if( ! parseObjectType( objectType, parsedMeshType ) )

      {

         std::cerr << "Unable to parse the mesh type " << meshType << "." << std::endl;

         return false;