message: bugfix for new slash::GetChildren usage
diff: @@ -675,12 +675,16 @@ void PikaServer::DBSyncSendFile(const std::string& ip, int port) {
  }
  // Get all files need to send
  std::vector<std::string> descendant;
  - if (!slash::GetChildren(bg_path, descendant)) {
  - LOG(WARNING) << "Get child directory when try to do db sync failed";
  + int ret = 0;
  + LOG(INFO) << "Start Send files in " << bg_path << " to " << ip;
  + ret = slash::GetChildren(bg_path, descendant);
  + if (ret != 0) {
  + LOG(WARNING) << "Get child directory when try to do sync failed, error: " << strerror(ret);
  + return;
  }
  // Iterate to send files
  - int ret = 0;
  + ret = 0;
  std::string local_path, target_path;
  std::string module = kDBSyncModule + "_" + slash::IpPortString(host_, port_);
  std::vector<std::string>::iterator it = descendant.begin();
  