update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/d/pointer_reference_runme.2.d

@@ -0,0 +1,14 @@
+module pointer_reference_runme;
+
+import std.exception;
+import pointer_reference.pointer_reference;
+import pointer_reference.Struct;
+
+void main() {
+  Struct s = get();
+  enforce(s.value == 10, "get test failed");
+
+  auto ss = new Struct(20);
+  set(ss);
+  enforce(Struct.instance.value == 20, "set test failed");
+}