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

Till Brehm

2014-02-17 baa7f2736bc91ca3feaed685e8a67a46db4fbb98

 interface/web/tools/lib/lang/cz.lng

@@ -12,4 +12,3 @@
$wb['Interface'] = 'Rozhraní';
?>