update swig on windows

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

@@ -0,0 +1,27 @@
+%module using_protected
+
+%inline %{
+class Foo {
+protected:
+  int x;
+  int blah(int xx) { return xx; }
+  virtual int vmethod(int xx) { return xx; }
+  virtual ~Foo() {}
+};
+
+class FooBar : public Foo {
+public:
+  using Foo::blah;
+  using Foo::x;
+  using Foo::vmethod;
+};
+
+class FooBaz : public Foo {
+protected:
+  using Foo::blah;
+  using Foo::x;
+  using Foo::vmethod;
+};
+
+%}
+