message: ActivityIndicator: don't show spinner initially
diff: @@ -362,6 +362,7 @@ ActivityIndicator::ActivityIndicator(wxWindow *parent, int flags)
  SetSizer(sizer);
  m_spinner = new wxActivityIndicator(this, wxID_ANY);
  + m_spinner->Hide();
  m_spinner->SetWindowVariant(wxWINDOW_VARIANT_SMALL);
  m_label = new wxStaticText(this, wxID_ANY, "");
  #ifdef __WXOSX__
  