fixes crash introduced @1021615848e49da3434f00cfdb6fb79ab5990b47

src/routes/api.js

@@ -47,7 +47,7 @@ var path = require('path'),
 					});
 
 					function iterator(category, callback) {
-						categories.getRecentReplies(category.cid, 2, function (posts) {
+						categories.getRecentReplies(category.cid, 2, function (err, posts) {
 							category.posts = posts;
 							category.post_count = posts.length > 2 ? 2 : posts.length;
 							callback(null);