From 949e9e16c238e732f1d376067772498e5480edd8 Mon Sep 17 00:00:00 2001
From: Enrico Marino <onirame@gmail.com>
Date: Fri, 12 Aug 2011 19:27:48 -0700
Subject: [PATCH] fixed waterfall

---
 lib/async.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/async.js b/lib/async.js
index 73eddc8cf..828250f66 100644
--- a/lib/async.js
+++ b/lib/async.js
@@ -386,10 +386,10 @@
     };
 
     async.waterfall = function (tasks, callback) {
+        callback = callback || function () {};
         if (!tasks.length) {
             return callback();
         }
-        callback = callback || function () {};
         var wrapIterator = function (iterator) {
             return function (err) {
                 if (err) {