Set default for dnssec_wanted (#5960)

Author: thompol

interface/web/dns/dns_wizard.php

@@ -341,7 +341,7 @@
 	$section = '';
 	$vars = array();
 	$vars['xfer']='';
-	$vars['dnssec_wanted']='';
+	$vars['dnssec_wanted']='N';
 	$vars['dnssec_algo']='ECDSAP256SHA256';
 	$dns_rr = array();
 	foreach($tpl_rows as $row) {