Add dcobject & uidobject auxilary object classes. Useful for

using dc naming components with structural object classes that
don't allow a 'dc' attribute.

servers/slapd/slapd.oc.conf

@@ -7,6 +7,16 @@ objectclass alias
 		aliasedObjectName,
 		objectClass
 
+objectclass dcobject
+	requires
+		objectClass,
+		dc
+
+objectclass uidobject
+	requires
+		objectClass,
+		uid
+
 objectclass country
 	requires
 		objectClass,