remove crufty m4 files from 2004. With the files, autoheader (2.61)
bombs on NetBSD. (Without, all is ok. We may need workarounds, but
first we should identify minimum tool versions and figure out what's
still wrong.)
ok'd by paul.
diff --git a/m4/Makefile.am b/m4/Makefile.am
index a1df668..0d62897 100644
--- a/m4/Makefile.am
+++ b/m4/Makefile.am
@@ -1,2 +1 @@
-EXTRA_DIST= ChangeLog Makefile.am README.txt \
- argz.m4 libtool.m4 ltdl.m4 ltoptions.m4 ltsugar.m4 ltversion.m4
+EXTRA_DIST= ChangeLog Makefile.am README.txt