fixing wrong prototype for GetConcrete function
fixing wrong prototype for GetConcrete function

smuuf/celery-php,xbzbing/celery-php,vtrmantovani/celery-php,xbzbing/celery-php,smuuf/celery-php,smuuf/celery-php,vtrmantovani/celery-php,xbzbing/celery-php,vtrmantovani/celery-php