update swig on windows

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

@@ -0,0 +1,21 @@
+%module li_std_pair_using
+
+%include<stl.i>
+using std::pair;
+
+%template(StringStringPair) pair<std::string, std::string>;
+
+%inline %{
+typedef int Integer;
+using std::string;
+%}
+
+%template(StringIntPair) pair<string, int>;
+
+%inline %{
+typedef std::string String;
+typedef string Streeng;
+std::pair<String, Streeng> bounce(std::pair<std::string, string> p) {
+  return p;
+}
+%}