coerce IANA ID into a string

Author: gbxyz

bin/registrars.pl

@@ -69,7 +69,7 @@
 	my $data = {
 		'objectClassName' => 'entity',
 		'handle' => sprintf('%s-iana', $id),
-		'publicIds' => [ { 'type' => 'IANA Registrar ID', 'identifier' => int($id) }],
+		'publicIds' => [ { 'type' => 'IANA Registrar ID', 'identifier' => sprintf("%u", $id) }],
 		'rdapConformance' => [ 'rdap_level_0' ],
 		'status' => [ 'active' ],
 		'vcardArray' => [ 'vcard', [ [