message: CFB: auto update should watch cached files after upload fails
diff: @@ -155,17 +155,16 @@ void AutoUpdateManager::onUpdateTaskFinished(bool success)
  tr("File \"%1\"\nuploaded successfully.").arg(QFileInfo(local_path).fileName()),
  task->repoId());
  emit fileUpdated(task->repoId(), task->path());
  - addPath(&watcher_, local_path);
  - WatchedFileInfo& info = watch_infos_[local_path];
  - info.uploading = false;
  } else {
  qWarning("[AutoUpdateManager] failed to upload new version of file %s", local_path.toUtf8().data());
  seafApplet->trayIcon()->showMessage(tr("Upload Failure"),
  tr("File \"%1\"\nfailed to upload.").arg(QFileInfo(local_path).fileName()),
  task->repoId());
  - watch_infos_.remove(local_path);
  - return;
  }
  +
  + addPath(&watcher_, local_path);
  + WatchedFileInfo& info = watch_infos_[local_path];
  + info.uploading = false;
  }
  void AutoUpdateManager::removeWatch(const QString& local_path)
  