PVS-Studio warning V696 for Cocos2d-x

bool ComAudio::serialize(void* r)
{
  bool ret = false;
  do
  {
    ....
    if (file != nullptr)
    {
      if (strcmp(file, "") == 0)
      {
         continue;
      }
      ....
    }
  }while(0);
  return ret;
}

This suspicious code was found in Cocos2d-x project by PVS-Studio static code analyzer.
Warning message is:
V696 The 'continue' operator will terminate 'do { ... } while (FALSE)' loop because the condition is always false. Check lines: 125, 153. cccomaudio.cpp 125

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