Fix 3.0 performance regression (CR-7367)

Yannick Lecaillez

25.46.2015 52674c7996797d28e6671590293a44c1e5f93017

 opendj-server-legacy/src/main/java/org/opends/server/extensions/ClearPasswordStorageScheme.java

@@ -103,7 +103,7 @@
    buffer.append('}');
    buffer.append(plaintext.toString());

    return ByteString.valueOf(buffer.toString());
    return ByteString.valueOf(buffer);
  }