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

Till Brehm

2014-02-17 baa7f2736bc91ca3feaed685e8a67a46db4fbb98

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

@@ -4,5 +4,4 @@
$wb['repo_username_txt'] = 'Benutzername (optional)';
$wb['repo_password_txt'] = 'Passwort (optional)';
$wb['active_txt'] = 'Aktiv';
?>

?>