fixed error 'only variables should be passed by references'
fixed error 'only variables should be passed by references'

schmittjoh/twig.js,hostnet/twig.js,schmittjoh/twig.js,br0wn/twig.js,basekit/twig.js,br0wn/twig.js,basekit/twig.js,basekit/twig.js,hostnet/twig.js,hostnet/twig.js,schmittjoh/twig.js,br0wn/twig.js