No real changes, just make wxDataViewCtrl::Init() private in wxGTK.

The usual convention is for Init() method to be private and to call it from
constructor, follow it in GTK implementation of wxDataViewCtrl too instead of
making it public and calling it from Create().

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62497 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/dataview.h

@@ -414,18 +414,18 @@ public:
            const wxSize& size = wxDefaultSize, long style = 0,
            const wxValidator& validator = wxDefaultValidator )
     {
+        Init();
+
         Create(parent, id, pos, size, style, validator );
     }
 
-    virtual ~wxDataViewCtrl();
-
-    void Init();
-
     bool Create(wxWindow *parent, wxWindowID id,
            const wxPoint& pos = wxDefaultPosition,
            const wxSize& size = wxDefaultSize, long style = 0,
            const wxValidator& validator = wxDefaultValidator );
 
+    virtual ~wxDataViewCtrl();
+
     virtual bool AssociateModel( wxDataViewModel *model );
 
     virtual bool PrependColumn( wxDataViewColumn *col );
@@ -481,6 +481,8 @@ protected:
     virtual void DoApplyWidgetStyle(GtkRcStyle *style);
 
 private:
+    void Init();
+
     friend class wxDataViewCtrlDCImpl;
     friend class wxDataViewColumn;
     friend class wxGtkDataViewModelNotifier;