fix missing use statement, closes #460
fix missing use statement, closes #460

mengzyou/phpbrew,phpbrew/phpbrew,hechunwen/phpbrew,williamn/phpbrew,dduca-sugarcrm/phpbrew,dduca-sugarcrm/phpbrew,konomae/phpbrew,viniciusferreira/phpbrew,davidfuhr/phpbrew,davidfuhr/phpbrew,konomae/phpbrew,zonuexe/phpbrew,zonuexe/phpbrew,williamn/phpbrew,mengzyou/phpbrew,pinkbigmacmedia/phpbrew,hechunwen/phpbrew,pinkbigmacmedia/phpbrew,pinkbigmacmedia/phpbrew,kayyyy/phpbrew,viniciusferreira/phpbrew,kayyyy/phpbrew,svetlyak40wt/phpbrew,wellic/phpbrew,phpbrew/phpbrew,zonuexe/phpbrew,williamn/phpbrew,viniciusferreira/phpbrew,pierredup/phpbrew,morozov/phpbrew,davidfuhr/phpbrew,mengzyou/phpbrew,pierredup/phpbrew,dduca-sugarcrm/phpbrew,svetlyak40wt/phpbrew,phpbrew/phpbrew,konomae/phpbrew,williamn/phpbrew,davidfuhr/phpbrew,mengzyou/phpbrew,wellic/phpbrew,pierredup/phpbrew,hechunwen/phpbrew,kayyyy/phpbrew,viniciusferreira/phpbrew,hechunwen/phpbrew,davidfuhr/phpbrew,kayyyy/phpbrew,dduca-sugarcrm/phpbrew,morozov/phpbrew,pinkbigmacmedia/phpbrew,zonuexe/phpbrew,svetlyak40wt/phpbrew,wellic/phpbrew,svetlyak40wt/phpbrew,konomae/phpbrew,wellic/phpbrew,pierredup/phpbrew