Merge pull request #2256 from Spiritlebon/master

lint fix

src/socket.io/topics.js

@@ -404,7 +404,7 @@ SocketTopics.follow = function(socket, tid, callback) {
 };
 
 SocketTopics.loadMore = function(socket, data, callback) {
-	if(!data || !data.tid || !(parseInt(data.after, 10) >= 0))  {
+	if(!data || !data.tid || !utils.isNumber(data.after) || parseInt(data.after, 10) < 0)  {
 		return callback(new Error('[[error:invalid-data]]'));
 	}
 

src/upgrade.js

@@ -1,4 +1,4 @@
-"use strict";
+"use strict";
 
 var db = require('./database'),
 	async = require('async'),