Added progdlgg.cpp to makefiles; fixed true/false in treectrl.h; made IsFree

consistent (const omission)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2649 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/font.h

@@ -68,7 +68,7 @@ public:
   virtual bool ReleaseResource(void);
 */
 
-  virtual bool IsFree(void);
+  virtual bool IsFree() const;
   virtual bool Ok(void) const { return (m_refData != NULL) ; }
 
   inline int GetPointSize(void) const { return M_FONTDATA->m_pointSize; }