From 3f6e421a9fe11227d602bef37bab23bbf5549c7a Mon Sep 17 00:00:00 2001
From: Erik Arvidsson <arv@chromium.org>
Date: Wed, 17 Sep 2014 12:59:47 -0400
Subject: [PATCH] Guard FormData for IE9

Since old IE does not have FormData we need to not even try to wrap
it.

Fixes #508
---
 src/wrappers/FormData.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/wrappers/FormData.js b/src/wrappers/FormData.js
index d283c3c..3082a20 100644
--- a/src/wrappers/FormData.js
+++ b/src/wrappers/FormData.js
@@ -12,6 +12,7 @@
   var unwrap = scope.unwrap;
 
   var OriginalFormData = window.FormData;
+  if (!OriginalFormData) return;
 
   function FormData(formElement) {
     var impl;