message: Use app icon for FileViewer on Windows
diff: @@ -89,6 +89,9 @@ FileViewer::FileViewer(wxWindow*)
  #ifdef __WXOSX__
  panel->SetWindowVariant(wxWINDOW_VARIANT_SMALL);
  #endif
  +#ifdef __WXMSW__
  + SetIcons(wxIconBundle(wxStandardPaths::Get().GetResourcesDir() + "\\Resources\\Poedit.ico"));
  +#endif
  wxSizer *barsizer = new wxBoxSizer(wxHORIZONTAL);
  sizer->Add(barsizer, wxSizerFlags().Expand().PXBorderAll());
  