Convert iso files to utf

htdocs/langs/nl_BE/admin.lang

htdocs/langs/nl_BE/agenda.lang

htdocs/langs/nl_BE/banks.lang

htdocs/langs/nl_BE/bills.lang

htdocs/langs/nl_BE/boxes.lang

htdocs/langs/nl_BE/categories.lang

htdocs/langs/nl_BE/commercial.lang

htdocs/langs/nl_BE/companies.lang

htdocs/langs/nl_BE/compta.lang

htdocs/langs/nl_BE/contracts.lang

htdocs/langs/nl_BE/deliveries.lang

htdocs/langs/nl_BE/dict.lang

htdocs/langs/nl_BE/domains.lang

htdocs/langs/nl_BE/donations.lang

htdocs/langs/nl_BE/ecm.lang

htdocs/langs/nl_BE/errors.lang

htdocs/langs/nl_BE/exports.lang

htdocs/langs/nl_BE/install.lang

htdocs/langs/nl_BE/interventions.lang

htdocs/langs/nl_BE/ldap.lang