--- backport-r12190.diff.orig
+++ backport-r12190.diff
@@ -2996,15 +2996,15 @@
 +++ src/src/environmentsettingsdlg.h	(revision 12190)
 @@ -19,8 +19,8 @@
  {
-     public:
+ 	public:
  		EnvironmentSettingsDlg(wxWindow* parent, wxAuiDockArt* art);
 -		virtual ~EnvironmentSettingsDlg();
 -		virtual void EndModal(int retCode);
 +		~EnvironmentSettingsDlg() override;
 +		void EndModal(int retCode) override;
- 
-     public:
-         // From cbConfigurationPanelColoursInterface
+ 	protected:
+         void OnPageChanging(wxListbookEvent& event);
+         void OnPageChanged(wxListbookEvent& event);
 Index: src/src/examinememorydlg.h
 ===================================================================
 --- src/src/examinememorydlg.h	(revision 12189)
