update swig on windows

winx64/bin/swigwin-4.0.0/Examples/mzscheme/simple/runme.scm

@@ -0,0 +1,31 @@
+;; run with mzscheme -r runme.scm
+
+(load-extension "example.so")
+
+; Call our gcd() function
+
+(define x 42)
+(define y 105)
+(define g (gcd x y))
+(display "The gcd of ")
+(display x)
+(display " and ")
+(display y)
+(display " is ")
+(display g)
+(newline)
+
+; Manipulate the Foo global variable
+
+; Output its current value
+(display "Foo = ")
+(display (Foo))
+(newline)
+
+; Change its value
+(Foo 3.1415926)
+
+; See if the change took effect
+(display "Foo = ")
+(display (Foo))
+(newline)