Fix log message on IP update

middleware/updateMW.js

@@ -47,6 +47,7 @@ module.exports = function () {
 				return;
 			})
 			.then((record) => {
+				const previousIP = record.ip;
 				db.updateDomain(record.name, token, ip).catch(() => {
 					res.locals.statuscode = 500;
 					res.locals.answer = { message: "Could not save in database." };
@@ -54,7 +55,7 @@ module.exports = function () {
 					return;
 				}).then(() => {
 					knotdns.updateRecord(record.name, ip).then(() => {
-						console.log("Updated record " + record.name + " from " + record.ip + " to " + ip);
+						console.log("Updated record " + record.name + " from " + previousIP + " to " + ip);
 						res.locals.statuscode = 200;
 						res.locals.answer = { message: "Updated." };
 						next();