added AppendText method, now used by operator <<

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1568 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/textctrl.h

@@ -73,6 +73,7 @@ class wxTextCtrl: public wxControl
     wxString GetValue() const;
     void SetValue( const wxString &value );
     void WriteText( const wxString &text );
+    void AppendText( const wxString &text );
 
     bool LoadFile( const wxString &file );
     bool SaveFile( const wxString &file );