Fix #4211 ECL: NullPointerException when searching modrdn change

pgamba

07.57.2009 1d037ce4fe5f011bdfffacfc4c62392358519be1

 opends/src/server/org/opends/server/workflowelement/externalchangelog/ECLSearchOperation.java

@@ -790,9 +790,12 @@
        Attribute a = Attributes.create("newrdn", modDNMsg.getNewRDN());
        clEntry.addAttribute(a, null);

        Attribute b = Attributes.create("newsuperior",
        if (modDNMsg.getNewSuperior()!=null)
        {
          Attribute b = Attributes.create("newsuperior",
            modDNMsg.getNewSuperior());
        clEntry.addAttribute(b, null);
          clEntry.addAttribute(b, null);
        }

        Attribute c = Attributes.create("deleteoldrdn",
            String.valueOf(modDNMsg.deleteOldRdn()));