update swig on windows

winx64/bin/swigwin-4.0.0/Lib/python/std_multiset.i

@@ -0,0 +1,41 @@
+/*
+  Multisets
+*/
+
+%include <std_set.i>
+
+%fragment("StdMultisetTraits","header",fragment="StdSequenceTraits")
+%{
+  namespace swig {
+    template <class SwigPySeq, class T> 
+    inline void
+    assign(const SwigPySeq& swigpyseq, std::multiset<T>* seq) {
+      // seq->insert(swigpyseq.begin(), swigpyseq.end()); // not used as not always implemented
+      typedef typename SwigPySeq::value_type value_type;
+      typename SwigPySeq::const_iterator it = swigpyseq.begin();
+      for (;it != swigpyseq.end(); ++it) {
+	seq->insert(seq->end(),(value_type)(*it));
+      }
+    }
+
+    template <class T>
+    struct traits_asptr<std::multiset<T> >  {
+      static int asptr(PyObject *obj, std::multiset<T> **m) {
+	return traits_asptr_stdseq<std::multiset<T> >::asptr(obj, m);
+      }
+    };
+
+    template <class T>
+    struct traits_from<std::multiset<T> > {
+      static PyObject *from(const std::multiset<T>& vec) {
+	return traits_from_stdseq<std::multiset<T> >::from(vec);
+      }
+    };
+  }
+%}
+
+#define %swig_multiset_methods(Set...) %swig_set_methods(Set)
+
+
+
+%include <std/std_multiset.i>