etc/kamailio.cfg: detect sipvicious as scanner

etc/kamailio.cfg

@@ -581,7 +581,7 @@ route[REQINIT] {
 		}
 	}
 #!endif
-	if($ua =~ "friendly-scanner|sipcli|VaxSIPUserAgent") {
+	if($ua =~ "friendly-scanner|sipcli|sipvicious|VaxSIPUserAgent") {
 		# silent drop for scanners - uncomment next line if want to reply
 		# sl_send_reply("200", "OK");
 		exit;