extract setting max length in wxGridCellTextEditor::DoCreate() and call it from wxGridCellAutoWrapStringEditor::Create() to ensure that it honours the base editor parameters

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46264 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/grid.h

@@ -423,6 +423,8 @@ protected:
     wxTextCtrl *Text() const { return (wxTextCtrl *)m_control; }
 
     // parts of our virtual functions reused by the derived classes
+    void DoCreate(wxWindow* parent, wxWindowID id, wxEvtHandler* evtHandler,
+                  long style = 0);
     void DoBeginEdit(const wxString& startValue);
     void DoReset(const wxString& startValue);