Updates to memcheck

Corrected and beautified memory (output)
  Fixed a few memory leaks
  Fixed resizing in in wxRadioBox
  Added many wxFAIL and wxASSERT
  Corrected other wxFAIL (removed from ..::Ok())
  Added wxBrush::Set..() functions
  Added CopyOnWrite support in GDI objects (Unshare)
  Disabled all occurences of WXDEBUG_NEW
  made clean, recompiled with mem_chcking on


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@728 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/pen.h

@@ -62,6 +62,8 @@ class wxPen: public wxGDIObject
     int GetWidth(void) const;
     bool Ok(void) const;
     
+    void Unshare(void);
+    
     // no data :-)
 };