some tweaks

still non playable cartridges

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

main/include/ui/wherigo_dialog.h

@@ -25,7 +25,7 @@ public:
   int getSelectedButton() const { return m_selectedButton; }
 
 private:
-  void onButton(wxCommandEvent &event);
+  void onButton(const wxCommandEvent &event);
 
   int m_selectedButton = -1;
 };