Better safety if publish workflow crashes. Cleanup on Button

src/slic3r/GUI/Widgets/TabCtrl.hpp

@@ -64,6 +64,9 @@ public:
     int GetNextVisible(int item) const;
     bool IsVisible(unsigned int item) const;
 
+    // Width of the tab strip that keeps every button visible (used to size the Publish dialog).
+    int buttons_best_width() const;
+
 private:
     virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO);
 
@@ -73,8 +76,6 @@ private:
 
     void relayout();
 
-    int buttons_best_width() const;
-
     void buttonClicked(wxCommandEvent & event);
     void keyDown(wxKeyEvent &event);