message: Fix false-positive error when shutting down outputs
diff: @@ -1828,6 +1828,7 @@ void ReplayController::ShutdownOutput(IReplayOutput *output)
  {
  CHECK_REPLAY_THREAD();
  + size_t sz = m_Outputs.size();
  m_Outputs.removeOneIf([output](const ReplayOutput *o) {
  if((IReplayOutput *)o == output)
  {
  @@ -1838,6 +1839,7 @@ void ReplayController::ShutdownOutput(IReplayOutput *output)
  return false;
  });
  + if(m_Outputs.size() == sz)
  RDCERR("Unrecognised output");
  }
  