update swig on windows

winx64/bin/swigwin-4.0.0/Lib/attribute.i

@@ -0,0 +1,21 @@
+/* -----------------------------------------------------------------------------
+ * attribute.i
+ *
+ * SWIG library file for implementing attributes.
+ * ----------------------------------------------------------------------------- */
+
+/* we use a simple exception warning here */
+%{
+#include <stdio.h>
+%}
+#define %attribute_exception(code,msg) printf("%s\n",msg)
+
+#ifndef %arg
+#define %arg(x...) x
+#endif
+
+#ifndef %mangle
+#define %mangle(Type...)  #@Type
+#endif
+
+%include <typemaps/attribute.swg>