Fix #4270 ECL Should not establish connections between RSes

pgamba

19.56.2009 ed847e95ab009b3f8a7b57636aa3bbe977bf875d

 opends/src/server/org/opends/server/replication/server/ExternalChangeLogSessionImpl.java

@@ -92,6 +92,7 @@
   */
  public void close()
  {
    handler.getDomain().stopServer(handler);
    if (handler.getDomain() != null)
      handler.getDomain().stopServer(handler);
  }
}