Fix login error when sending to next

controllers/index.js

@@ -24,9 +24,9 @@ exports.welcome = function(req, res) {
 // Login and logout functions
 exports.getLogin = function(req, res, next) {
 	res.render('login', {error: next});
-	}
+}
 
-exports.postLogin = function(req, res){
+exports.postLogin = function(req, res, next){
 		users.authenticate(req.body.email, req.body.password, function (error, user) {
 			if (error || !user) {
 				var err = new Error('Wrong email or password.');