[master] 0b41967 Document proxy_header

[Federico G. Schwindt]

commit 0b41967e07e6c716aa80ebeee52ac9bd958dcb8c
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Thu Jun 16 15:39:58 2016 +0100

    Document proxy_header

diff --git a/doc/sphinx/reference/vcl.rst b/doc/sphinx/reference/vcl.rst
index 7e73504..7bd6c91 100644
--- a/doc/sphinx/reference/vcl.rst
+++ b/doc/sphinx/reference/vcl.rst
@@ -224,6 +224,10 @@ are available:
   probe
     Attach a probe to the backend. See `Probes`_
 
+  proxy_header
+    The PROXY protocol version Varnish should use when connecting to
+    this backend.
+
   max_connections
     Maximum number of open connections towards this backend. If
     Varnish reaches the maximum Varnish it will start failing