uint -> size_t change

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@599 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/listbox.h

@@ -68,10 +68,10 @@ class WXDLLEXPORT wxListBox: public wxControl
   bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
 
   // plug-in for derived classes
-  virtual wxOwnerDrawn *CreateItem(uint n);
+  virtual wxOwnerDrawn *CreateItem(size_t n);
 
   // allows to get the item and use SetXXX functions to set it's appearance
-  wxOwnerDrawn *GetItem(uint n) const { return m_aItems[n]; }
+  wxOwnerDrawn *GetItem(size_t n) const { return m_aItems[n]; }
 #endif
 
   virtual void Append(const wxString& item);