$NetBSD: patch-configure.in,v 1.1 2022/05/03 18:29:18 jaapb Exp $

Include the ocaml m4 file for autoconf to find

--- configure.in.orig	2021-01-18 16:38:53.000000000 +0000
+++ configure.in
@@ -1,5 +1,5 @@
 # autoconf input using ocaml.m4
-
+m4_include([ocaml.m4])
 AC_INIT(bz2.mli)
 
 use_findlib=yes