Patch against current HEAD for this:
Index: ./servers/slapd/schema_prep.c
===================================================================
RCS file: /repo/OpenLDAP/pkg/ldap/servers/slapd/schema_prep.c,v
retrieving revision 1.189
diff -u -r1.189 schema_prep.c
--- ./servers/slapd/schema_prep.c 4 Jan 2011 23:43:16 -0000 1.189
+++ ./servers/slapd/schema_prep.c 3 Mar 2011 11:25:59 -0000
@@ -934,6 +934,7 @@
"DESC 'RFC2307: An integer uniquely identifying a user "
"in an administrative domain' "
"EQUALITY integerMatch "
+ "ORDERING integerOrderingMatch "
"SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE )",
NULL, 0,
NULL, NULL,
@@ -944,6 +945,7 @@
"DESC 'RFC2307: An integer uniquely identifying a group "
"in an administrative domain' "
"EQUALITY integerMatch "
+ "ORDERING integerOrderingMatch "
"SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE )",
NULL, 0,
NULL, NULL,
