From 96eb9a862b4d90694f7ba13af1a6acfb98eb87c7 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 2 May 2016 11:24:11 +0200
Subject: http: make sure a blank header overrides accept_decoding

Reported-by: rcanavan
Assisted-by: Isaac Boukris
Closes #785
---
 lib/http.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/http.c b/lib/http.c
index f3805cc5b..2a7280dba 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -1917,6 +1917,10 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
     if(!conn->allocptr.accept_encoding)
       return CURLE_OUT_OF_MEMORY;
   }
+  else {
+    Curl_safefree(conn->allocptr.accept_encoding);
+    conn->allocptr.accept_encoding = NULL;
+  }
 
 #ifdef HAVE_LIBZ
   /* we only consider transfer-encoding magic if libz support is built-in */
-- 
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