message: Allow subclasses to access _message
diff: @@ -23,10 +23,12 @@ class FThreadedWorker : public FRunnable {
  // Supports debugging on main thread
  static const uint16_t MAXMSG = 1000;
  - char _message[MAXMSG] = {0};
  protected:
  + // Supports debugging on main thread
  + char _message[MAXMSG] = {0};
  +
  // Implemented differently by each subclass
  virtual void performTask(void) = 0;
  