We are not a GNU project; make that clear in configure.ac

autoreconf complains if we don't specify "foreign" in the options to
AM_INIT_AUTOMAKE, so do that.


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3189 d4fa192b-c00b-0410-8231-f00ffab90ce4

configure.ac

@@ -10,7 +10,7 @@ AM_CONFIG_HEADER(config.h)
 AC_CANONICAL_SYSTEM
 AC_LANG(C)
 
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([foreign])
 
 # Checks for programs.
 AC_GNU_SOURCE