ITS#3108 disable test on ldbm

tests/scripts/test023-refint

@@ -13,6 +13,11 @@
 ## top-level directory of the distribution or, alternatively, at
 ## <http://www.OpenLDAP.org/license.html>.
 
+if test "$BACKEND" != "bdb" -a "$BACKEND" != "hdb" ; then
+	echo "Test does not support $BACKEND"
+	exit 0
+fi
+
 echo "running defines.sh"
 . $SRCDIR/scripts/defines.sh