make more Init() functions private

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72604 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/filectrl.h

@@ -90,7 +90,6 @@ public:
 
     virtual ~wxGtkFileCtrl() {}
 
-    void Init();
     bool Create( wxWindow *parent,
                  wxWindowID id,
                  const wxString& defaultDirectory = wxEmptyString,
@@ -134,6 +133,9 @@ protected:
     wxGtkFileChooser    m_fc;
     wxString            m_wildCard;
 
+private:
+    void Init();
+
     DECLARE_DYNAMIC_CLASS( wxGtkFileCtrl )
 };