Fix copyright.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4023 d4fa192b-c00b-0410-8231-f00ffab90ce4

configure.ac

 # $Id$
 
 AC_PREREQ(2.59)
-AC_COPYRIGHT([Copyright (c) 2006-2008 Linpro AS / Verdens Gang AS])
+AC_COPYRIGHT([Copyright (c) 2006 Verdens Gang AS
+Copyright (c) 2009-2009 Linpro AS])
 AC_REVISION([$Id$])
 AC_INIT([Varnish], [trunk], [varnish-dev@projects.linpro.no])
 AC_CONFIG_SRCDIR(include/varnishapi.h)