From bdd23d065ba51e69bf5591b97840aa17cda0c171 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Thu, 21 May 2015 13:10:34 +0400
Subject: [PATCH] content-type can be undefined

---
 plugins/c9.core/http-xhr.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/plugins/c9.core/http-xhr.js b/plugins/c9.core/http-xhr.js
index 0865626a..3144aaff 100644
--- a/plugins/c9.core/http-xhr.js
+++ b/plugins/c9.core/http-xhr.js
@@ -106,9 +106,8 @@ define(function(require, module, exports) {
                 };
                 
                 var data = xhr.responseText;
-                if ((options.overrideMimeType || res.headers["content-type"])
-                    .indexOf("application/json") === 0
-                ) {
+                var contentType = options.overrideMimeType || res.headers["content-type"] || "";
+                if (contentType.indexOf("application/json") === 0) {
                     try {
                         data = JSON.parse(data);
                     } catch (e) {