ping: Added missing comma for array

routes/ping.js

@@ -35,9 +35,9 @@ router.get("/:fqdn", (req, res) => {
 		if (!d) return res.status(404).send("Unknown FQDN");
 		res.send([
 		    d.ipv4 ? d.ipv4 : "0.0.0.0",
-		    d.ipv4LastPing
+		    d.ipv4LastPing,
 		    d.ipv6 ? d.ipv6 : "::",
-		    d.ipv6LastPing
+		    d.ipv6LastPing,
 		].reduce((a, b) => a + "\n" + b));
 	});
 });