Added the option "foreign" to AM_INIT_AUTOMAKE such that automake no longer complains on the $(addsuffix ...) construct which is present in various Makefile.am files.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7735 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index a06d73c..811148b 100644
--- a/configure.in
+++ b/configure.in
@@ -11,7 +11,7 @@
 AC_INIT(Valgrind, 3.4.0.SVN, valgrind-users@lists.sourceforge.net)
 AC_CONFIG_SRCDIR(coregrind/m_main.c)
 AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([foreign])
 
 AM_MAINTAINER_MODE