Update products.tpl

Баг фикс по тикету http://forum.simplacms.ru/topic/7692-%D0%BD%D0%B5%D0%BA%D0%BE%D1%80%D1%80%D0%B5%D0%BA%D1%82%D0%BD%D0%B0%D1%8F-%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%B0-%D1%84%D0%B8%D0%BB%D1%8C%D1%82%D1%80%D0%BE%D0%B2-%D0%B2-simpla-235/