Trans: Update pt_BR

htdocs/langs/pt_BR/admin.lang

htdocs/langs/pt_BR/agenda.lang

htdocs/langs/pt_BR/banks.lang

htdocs/langs/pt_BR/bills.lang

htdocs/langs/pt_BR/boxes.lang

htdocs/langs/pt_BR/categories.lang

htdocs/langs/pt_BR/commercial.lang

htdocs/langs/pt_BR/companies.lang

htdocs/langs/pt_BR/dict.lang

htdocs/langs/pt_BR/donations.lang

htdocs/langs/pt_BR/ecm.lang

htdocs/langs/pt_BR/energy.lang

htdocs/langs/pt_BR/exports.lang

htdocs/langs/pt_BR/google.lang

htdocs/langs/pt_BR/help.lang

htdocs/langs/pt_BR/ldap.lang

htdocs/langs/pt_BR/main.lang

htdocs/langs/pt_BR/orders.lang

htdocs/langs/pt_BR/oscommerce.lang

htdocs/langs/pt_BR/other.lang