(1) Denis Pershin's patch for wxGTK (memory leaks corrections)

(2) DELETEP/DELETEA globally renamed to wxDELETE/wxDELETEA and now also NULL
    their argument


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@450 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/settings.h

@@ -26,6 +26,9 @@ class WXDLLEXPORT wxSystemSettings: public wxObject
 public:
     inline wxSystemSettings(void) {}
 
+    inline static void Init() {}
+    static void Done();
+
     // Get a system colour
     static wxColour    GetSystemColour(int index);