Fix build with db4 [PR pkg/42061]

lang/ocaml/distinfo

@@ -1,10 +1,10 @@
-$NetBSD: distinfo,v 1.46 2009/09/08 18:35:46 tonio Exp $
+$NetBSD: distinfo,v 1.47 2009/09/22 20:19:30 tonio Exp $
 
 SHA1 (ocaml-3.11.1.tar.bz2) = 570feab47b34b29f866ecadcc16153d5a4a4f6a1
 RMD160 (ocaml-3.11.1.tar.bz2) = 991147354a85b975a86ce2dffafce669c9338db5
 Size (ocaml-3.11.1.tar.bz2) = 2352236 bytes
 SHA1 (patch-aa) = 858f326fe4db7971a05b3b001c6aecc02ecb2903
-SHA1 (patch-ab) = c6140f43fdb76c4f2d499f9d3beb714de3926460
+SHA1 (patch-ab) = e91cbb94c0897ffd02daebc19835a24c257dccd9
 SHA1 (patch-ac) = efe8290b394f40d6675fc9d57557c49ddafdb239
 SHA1 (patch-ad) = f2c1dcc3c31db31e2484fdea1076692a63252a87
 SHA1 (patch-ag) = f1b751098d3693b92feb26cda87970426bffcaf1

lang/ocaml/patches/patch-ab

@@ -1,8 +1,8 @@
-$NetBSD: patch-ab,v 1.6 2007/10/04 05:19:16 adam Exp $
+$NetBSD: patch-ab,v 1.7 2009/09/22 20:19:30 tonio Exp $
 
 --- otherlibs/dbm/cldbm.c.orig	2003-07-08 15:50:31.000000000 +0200
 +++ otherlibs/dbm/cldbm.c
-@@ -21,10 +21,10 @@
+@@ -21,10 +21,11 @@
  #include <fail.h>
  #include <callback.h>
  
@@ -12,6 +12,7 @@ $NetBSD: patch-ab,v 1.6 2007/10/04 05:19:16 adam Exp $
 +#ifdef DBM_USES_DB
  #include <ndbm.h>
 +#else
++#define DB_DBM_HSEARCH 1
 +#include <db.h>
  #endif