update swig on windows

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

@@ -0,0 +1,30 @@
+/*
+ *
+ * C++ type : STL multiset
+ * Scilab type : matrix (for primitive types) or list (for pointer types)
+ *
+*/
+
+%fragment("StdMultisetTraits", "header", fragment="StdSequenceTraits")
+%{
+  namespace swig {
+    template <class T>
+    struct traits_asptr<std::multiset<T> >  {
+      static int asptr(const SwigSciObject &obj, std::multiset<T> **multiset) {
+        return traits_asptr_stdseq<std::multiset<T> >::asptr(obj, multiset);
+      }
+    };
+
+    template <class T>
+    struct traits_from<std::multiset<T> > {
+      static SwigSciObject from(const std::multiset<T>& multiset) {
+        return traits_from_stdseq<std::multiset<T> >::from(multiset);
+      }
+    };
+  }
+%}
+
+#define %swig_multiset_methods(Set...) %swig_sequence_methods(Type)
+#define %swig_multiset_methods_val(Type...) %swig_sequence_methods_val(Type);
+
+%include <std/std_multiset.i>