$NetBSD$

http://osdir.com/ml/db.mdb-tools.devel/2007-03/msg00000.html

--- ./include/mdbtools.h.orig	2012-04-19 09:30:30.000000000 +0000
+++ ./include/mdbtools.h	2012-04-19 09:30:36.000000000 +0000
@@ -147,7 +147,7 @@
 #define IS_JET3(mdb) (mdb->f->jet_version==MDB_VER_JET3)
 
 /* hash to store registered backends */
-extern GHashTable	*mdb_backends;
+static GHashTable	*mdb_backends;
 
 /* forward declarations */
 typedef struct mdbindex MdbIndex;
