From b1c32064c0c1386f01df728850102cf0106db3f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabio=20Jos=C3=A9?= <fabiojose@gmail.com>
Date: Sun, 20 Jan 2019 21:08:46 -0200
Subject: [PATCH] Fix for-in issue
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Signed-off-by: Fabio José <fabiojose@gmail.com>
---
 lib/bindings/http/binary_0_2.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/bindings/http/binary_0_2.js b/lib/bindings/http/binary_0_2.js
index 58e39cb..c398a0b 100644
--- a/lib/bindings/http/binary_0_2.js
+++ b/lib/bindings/http/binary_0_2.js
@@ -36,7 +36,9 @@ HTTPBinary.prototype.emit = function(cloudevent){
   // Have extensions?
   var exts = cloudevent.getExtensions(); 
   for(var ext in exts){
-    _headers["ce-" + ext] = exts[ext];
+    if({}.hasOwnProperty.call(exts, ext)){
+      _headers["ce-" + ext] = exts[ext];
+    }
   }
 
   // Return the Promise