$NetBSD: patch-aa,v 1.3 2018/01/07 19:27:56 rillig Exp $

Don't install .m4 files.

--- Makefile.in.orig	2005-09-16 09:03:54.000000000 -0400
+++ Makefile.in	2008-06-28 18:20:25.000000000 -0400
@@ -557,7 +557,7 @@
 
 info-am:
 
-install-data-am: install-data-local
+install-data-am:
 
 install-exec-am: