Fix majors memory leaks (TODO: shared_ptr for Game objects and implement ~Game())

src/base_tab/AppendGameDialog.hpp

@@ -1,11 +1,12 @@
 #include "gamebase/GameBase.hpp"
 
 class AppendGameDialog : public DialogAppendGame {
-  GameBase *base;
+  GameBase *base; // Should not be destroy
   std::vector<TabInfos *> tinfos;
 
 public:
   AppendGameDialog(wxWindow *parent, GameBase *base);
   void OnCancel(wxCommandEvent &event);
   void OnImport(wxCommandEvent &event);
+  void OnClose(wxCloseEvent &e);
 };