Fix var declaration in lib/utils.js

lib/utils.js

@@ -1,6 +1,6 @@
 var basicAuth = require('basic-auth'),
     config = require(__dirname + '/../app/config.js'),
-    fs = require('fs');
+    fs = require('fs'),
     portScanner = require('portscanner'),
     prompt = require('prompt');
 
@@ -23,7 +23,7 @@ exports.basicAuth = function(username, password) {
 			console.log('Username or password is not set.');
 			return res.send('<h1>Error:</h1><p>Username or password not set. <a href="https://github.com/alphagov/govuk_prototype_kit/blob/master/docs/guides/publishing-on-heroku.md#5-set-a-username-and-password">See guidance for setting these</a>.</p>');
 		}
-		
+
 		var user = basicAuth(req);
 
 		if (!user || user.name !== username || user.pass !== password) {