Small brazilian portuguese language files updates utf-8 fix.

interface/web/dashboard/lib/lang/br.lng

interface/web/dashboard/lib/lang/br_dashlet_limits.lng

interface/web/dashboard/lib/lang/br_dashlet_modules.lng

interface/web/dns/lib/lang/br_dns_slave.lng

interface/web/dns/lib/lang/br_dns_slave_list.lng

interface/web/domain/lib/lang/br.lng

interface/web/help/lib/lang/br_faq_form.lng

interface/web/help/lib/lang/br_faq_manage_questions_list.lng

interface/web/help/lib/lang/br_faq_sections_form.lng

interface/web/help/lib/lang/br_help_faq_sections_list.lng

interface/web/mail/lib/lang/br_mail_domain_admin_list.lng

interface/web/mail/lib/lang/br_mail_user_filter.lng

interface/web/sites/lib/lang/br_database_admin_list.lng