update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/ocaml/template_extend1_runme.ml

@@ -0,0 +1,8 @@
+open Swig
+open Template_extend1
+
+let _ =
+  let a = new_lBaz '() and b = new_dBaz '() in
+  assert (a -> foo () as string = "lBaz::foo");
+  assert (b -> foo () as string = "dBaz::foo")
+;;