update swig on windows

winx64/bin/swigwin-4.0.0/Examples/lua/functest/example.i

@@ -0,0 +1,12 @@
+/* File : example.i */
+%module example
+
+%include "typemaps.i"
+
+%inline %{
+extern int add1(int x, int y);              /* return x+y -- basic function test */
+extern void add2(int x, int *INPUT, int *OUTPUT); /* *z = x+*y  -- argin and argout test */
+extern int add3(int x, int y, int *OUTPUT);    /* return x+y, *z=x-y -- returning 2 values */
+extern void add4(int x, int *INOUT);        /* *y += x    -- INOUT dual purpose variable */
+%}
+