Prep work for OPENDJ-1342: align APIs for RDNs

Jean-Noël Rouvignac

03.32.2016 eaee3f6a42c1a129f07e2364a4c32c59b9e03e19

 opendj-server-legacy/src/main/java/org/opends/server/tasks/BackupTask.java

@@ -346,7 +346,7 @@
          if (! backupDir.getConfigEntryDN().equals(cfg.dn()))
          {
            logger.error(ERR_BACKUPDB_CANNOT_BACKUP_IN_DIRECTORY, b.getBackendID(), backupLocation.getPath(),
                backupDir.getConfigEntryDN().rdn().getAttributeValue(0));
                backupDir.getConfigEntryDN().rdn().getFirstAVA().getAttributeValue());
            return false ;
          }
        }