$NetBSD: patch-ocaml_Makefile.in,v 1.1 2018/10/04 16:01:40 tnn Exp $

Fix OCaml install directory.

--- ocaml/Makefile.in.orig	2018-02-26 10:53:35.000000000 +0000
+++ ocaml/Makefile.in
@@ -1853,7 +1853,7 @@ uninstall-am:
 @HAVE_OCAML_TRUE@install-data-hook:
 @HAVE_OCAML_TRUE@	mkdir -p $(DESTDIR)$(OCAMLLIB)/stublibs
 @HAVE_OCAML_TRUE@	$(OCAMLFIND) install \
-@HAVE_OCAML_TRUE@	  -ldconf ignore -destdir $(DESTDIR)$(OCAMLLIB) \
+@HAVE_OCAML_TRUE@	  -ldconf ignore -destdir $(DESTDIR)$(PREFIX)/$(OCAML_SITELIBDIR) \
 @HAVE_OCAML_TRUE@	  $(PACKAGE_NAME) \
 @HAVE_OCAML_TRUE@	  $(install_files)