build: move automake "foreign" option to AM_INIT_AUTOMAKE

This works towards allowing using autoreconf(1) later.

autogen.sh

@@ -90,7 +90,7 @@ if test "$?" != "0"; then
 	exit 4
 fi
 echo running $AUTOMAKE...
-$AUTOMAKE -a --foreign
+$AUTOMAKE -a
 if test "$?" != "0"; then
 	echo automake failed, stopping.
 	exit 5

configure.ac

@@ -9,7 +9,7 @@ AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR([configure.ac])
 AC_CONFIG_MACRO_DIR([m4])
 
-AM_INIT_AUTOMAKE([1.9 dist-bzip2 subdir-objects no-define])
+AM_INIT_AUTOMAKE([1.9 dist-bzip2 subdir-objects no-define foreign])
 
 AC_USE_SYSTEM_EXTENSIONS
 AM_MAINTAINER_MODE