update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/perl5/using2_runme.pl

@@ -0,0 +1,10 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use Test::More tests => 3;
+BEGIN { use_ok('using2') }
+require_ok('using2');
+
+# adapted from ../python/using2_runme.py
+
+is(using2::spam(37), 37);