Revert "allow 0 for ISINT"

Florian Schaal

2016-01-10 0cd87e682012f224e2b74531190bb983fdcbb430

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

@@ -1,4 +1,4 @@
m_selector_error'] = '<?php
<?php
$wb['server_id_txt'] = 'Server';
$wb['domain_txt'] = 'Domain';
$wb['type_txt'] = 'Type';