From fef233dd5df2a53674b72de955449f026d7532d8 Mon Sep 17 00:00:00 2001
From: benoitc <bchesneau@gmail.com>
Date: Wed, 5 Oct 2011 14:16:41 +0200
Subject: [PATCH] manage multiple headers entry. Rather than waiting for the
 new HTTP parser apply this patch now. Thanks @taejo for the patch. close #267

---
 gunicorn/http/wsgi.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gunicorn/http/wsgi.py b/gunicorn/http/wsgi.py
index d42c229d..03f7b4ba 100644
--- a/gunicorn/http/wsgi.py
+++ b/gunicorn/http/wsgi.py
@@ -91,8 +91,10 @@ def create(req, sock, client, server, cfg):
         elif hdr_name == "CONTENT-LENGTH":
             environ['CONTENT_LENGTH'] = hdr_value
             continue
-        
+
         key = 'HTTP_' + hdr_name.replace('-', '_')
+        if key in environ:
+            hdr_value = "%s,%s" % (environ[key], hdr_value)
         environ[key] = hdr_value
 
     environ['wsgi.url_scheme'] = url_scheme