Fixed vhostsubdomain not empty regex check to allow 1 char subdomains.

Till Brehm

2014-02-17 baa7f2736bc91ca3feaed685e8a67a46db4fbb98

 interface/web/admin/lib/lang/br_language_export.lng

@@ -4,4 +4,3 @@
$wb['btn_save_txt'] = 'Exportar idioma selecionado para um arquivo';
$wb['btn_cancel_txt'] = 'Voltar';
?>