Fixed some broken things related to context help, fixed memory leak

in wxGenericTreeCtrl (Init should be called before Create, not _in_ Create)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8295 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/treectlg.h

@@ -57,6 +57,7 @@ public:
                const wxValidator &validator = wxDefaultValidator,
                const wxString& name = wxTreeCtrlNameStr)
     {
+        Init();
         Create(parent, id, pos, size, style, validator, name);
     }