wxSpinCtrl::GetSize() should work now (thanks to Kristjan Jonsson)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7166 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/spinctrl.h

@@ -75,6 +75,7 @@ public:
 protected:
     virtual void DoMoveWindow(int x, int y, int width, int height);
     virtual wxSize DoGetBestSize() const;
+    virtual void DoGetSize(int *width, int *height) const;
 
     // the handler for wxSpinButton events
     void OnSpinChange(wxSpinEvent& event);