Added missing empty directories from svn import

Marius Cramer

2013-10-14 d9bcf68e395d6156645a7974b1a992aa6e6c00aa

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

@@ -47,5 +47,5 @@
$wb['Global Filters'] = 'Global Filters';
$wb['Domain Alias'] = 'Domain Alias';
$wb["Relay Recipients"] = 'Relay Recipients';

$wb['Mailbox quota'] = 'Mailbox quota';
?>