OPENDJ-2773 Fix upgrade

Gaetan Boismal

24.43.2016 356fb0aa8e4afbc8615a29b48082340905781268

 opendj-server-legacy/src/main/java/org/opends/server/tools/upgrade/Upgrade.java

@@ -611,6 +611,9 @@
            "objectClass: ds-cfg-local-backend")
    );
    register("4.0.0", moveSubordinateBaseDnToGlobalConfiguration());
    register("4.0.0",
             removeTools("ldif-diff", "make-ldif")
    );

    /* All upgrades will refresh the server configuration schema and generate a new upgrade folder. */
    registerLast(