fixed for broken category view, after topic move

src/categories.js

@@ -83,6 +83,7 @@ var	RDB = require('./redis.js'),
 						categoryData.moderator_block_class = results[1].length > 0 ? '' : 'none';
 						categoryData.moderators = results[1];
 						categoryData.active_users = results[2];
+						console.log(results[2]);
 						callback(categoryData);
 					});
 				}

src/user.js

@@ -141,7 +141,7 @@ var utils = require('./../public/src/utils.js'),
 
 	User.getMultipleUserFields = function(uids, fields, callback) {
 		if(uids.length === 0) {
-			callback({});
+			callback([]);
 			return;
 		}