fixed the NPE in LDAPEncoder

sin

22.40.2009 8448929335f91ed6a41281600b84e6e7cc2e5396

 opendj-sdk/sdk/src/org/opends/sdk/ldap/LDAPEncoder.java

@@ -416,7 +416,8 @@
    encodeMessageHeader(writer, messageID);
    encodeResultHeader(writer, OP_TYPE_BIND_RESPONSE, result);

    if (result.getServerSASLCredentials().length() > 0)
    ByteString saslCredentials = result.getServerSASLCredentials();
    if (saslCredentials !=null && saslCredentials.length() > 0)
    {
      writer.writeOctetString(TYPE_SERVER_SASL_CREDENTIALS, result
          .getServerSASLCredentials());