Remove undeeded macros from m4 directory

The acx_libwrap.m4 and attributes.m4 were used for checks related
to libwrap and compile attribute/flags, respectively.  Since these
have been removed from the build system, they are left over lint.

Files can be retrieved by

 git checkout ddfb9b07df -- <filename>

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/autogen.sh b/autogen.sh
index 26f4160c52..70f68fb83c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+mkdir -p m4
+
 if type -p gtkdocize > /dev/null; then
 	gtkdocize --docdir docs
 else