[4.0] bc73592 Exclude vcl_var since it is included in vcl.rst.

[Andreas Plesner]

commit bc73592130bcbad5f30ad351809f11770320ac2c
Author: Andreas Plesner <apj at mutt.dk>
Date:   Fri May 16 17:51:34 2014 +0200

    Exclude vcl_var since it is included in vcl.rst.

diff --git a/doc/sphinx/conf.py.in b/doc/sphinx/conf.py.in
index 8104bb3..5e411b6 100644
--- a/doc/sphinx/conf.py.in
+++ b/doc/sphinx/conf.py.in
@@ -64,7 +64,7 @@ release = '@VERSION@'
 
 # List of directories, relative to source directory, that shouldn't be searched
 # for source files.
-exclude_patterns = ['build','include/*.rst']
+exclude_patterns = ['build','include/*.rst','reference/vcl_var.rst']
 
 # The reST default role (used for this markup: `text`) to use for all documents.
 #default_role = None