Index: servers/slapd/back-null/null.c
===================================================================
RCS file: /repo/OpenLDAP/pkg/ldap/servers/slapd/back-null/null.c,v
retrieving revision 1.18.2.5
diff -u -p -u -r1.18.2.5 null.c
--- servers/slapd/back-null/null.c	12 Feb 2008 00:58:15 -0000	1.18.2.5
+++ servers/slapd/back-null/null.c	20 Oct 2008 14:35:30 -0000
@@ -221,6 +221,8 @@ null_back_initialize( BackendInfo *bi )
 	bi->bi_tool_entry_get = null_tool_entry_get;
 	bi->bi_tool_entry_put = null_tool_entry_put;
 
+	bi->bi_controls = slap_known_controls;
+
 	return 0;
 }