[4.1] c2c7df3 Filter subdir-include messages.

[Lasse Karstensen]

commit c2c7df3b71d08b88318c3b12a14f4675c9165c7c
Author: Lasse Karstensen <lkarsten at varnish-software.com>
Date:   Mon Dec 21 14:51:05 2015 +0100

    Filter subdir-include messages.

diff --git a/autogen.des b/autogen.des
index 0cbbbc0..45698f4 100755
--- a/autogen.des
+++ b/autogen.des
@@ -13,7 +13,8 @@ if [ -f /usr/bin/clang -a "x${CC}" = "x" ] ; then
 fi
 
 rm -f configure
-. ./autogen.sh
+. ./autogen.sh 2>&1 | egrep -v "(subdir-objects|is in a subdirectory)"
+
 
 # autoconf prior to 2.62 has issues with zsh 4.2 and newer
 export CONFIG_SHELL=/bin/sh