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

src/generic/treectrl.cpp

@@ -381,6 +381,8 @@ wxTreeCtrl::wxTreeCtrl(wxWindow *parent, wxWindowID id,
 
 wxTreeCtrl::~wxTreeCtrl()
 {
+  if (m_hilightBrush) delete m_hilightBrush;
+  if (m_anchor) delete m_anchor;
 }
 
 bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,