[3.0] 3b49dc9 PATCH: document beresp.http.header

[Tollef Fog Heen]

commit 3b49dc9da50f26e16fd23ee8812b8e4dd0862ec9
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Mon Oct 29 22:09:08 2012 +0000

    PATCH: document beresp.http.header

diff --git a/doc/sphinx/reference/vcl.rst b/doc/sphinx/reference/vcl.rst
index 3204097..fbe3857 100644
--- a/doc/sphinx/reference/vcl.rst
+++ b/doc/sphinx/reference/vcl.rst
@@ -817,6 +817,9 @@ beresp.do_gunzip
   Boolean. Unzip the object before storing it in the cache.  Defaults
   to false.
 
+beresp.http.header
+  The corresponding HTTP header.
+
 beresp.proto
   The HTTP protocol version used the backend replied with.