[4.0] 12a6d79 Bump serial

[Lasse Karstensen]

commit 12a6d79cf9f83a4e362df777d52453063a0bee67
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Wed Jan 7 23:23:24 2015 +0000

    Bump serial
    
    Forgotten when compatibility for autoconf < 2.63b was added.
    
    Conflicts:
    	varnish.m4

diff --git a/varnish.m4 b/varnish.m4
index d603e2b..f4e9e9c 100644
--- a/varnish.m4
+++ b/varnish.m4
@@ -1,7 +1,7 @@
 # varnish.m4 - Macros to locate Varnish header files.            -*- Autoconf -*-
-# serial 1 (varnish-4.0)
+# serial 3 (varnish-4.0)
 
-# Copyright (c) 2013 Varnish Software AS
+# Copyright (c) 2013-2015 Varnish Software AS
 # All rights reserved.
 #
 # Author: Tollef Fog Heen <tfheen at varnish-software.com>