update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/python_director.i

@@ -0,0 +1,18 @@
+%module(directors="1") python_director
+
+%feature("director");
+%inline %{
+  class IFactoryFuncs {
+  public:
+    IFactoryFuncs()           {}
+    virtual ~IFactoryFuncs()  {}
+
+    virtual PyObject * process(PyObject *pyobj) {
+      return pyobj;
+    }
+
+    void process_again(const PyObject *& pyobj) {
+    }
+  };
+%}
+