update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/lua/refcount_runme.lua

@@ -0,0 +1,26 @@
+require("import")	-- the import fn
+import("refcount")	-- import lib
+r=refcount
+
+-- catch "undefined" global variables
+local env = _ENV -- Lua 5.2
+if not env then env = getfenv () end -- Lua 5.1
+setmetatable(env, {__index=function (t,i) error("undefined global variable `"..i.."'",2) end})
+
+a = r.A()
+assert(a:ref_count() == 1)
+
+b1 = r.B(a)
+assert(a:ref_count() == 2)
+
+b2 = r.B.create(a)
+assert(a:ref_count() == 3)
+
+b3 = b2:cloner()
+assert(a:ref_count() == 4)
+
+rca = b1:get_rca() -- RCPtr<A> is not wrapped
+assert(a:ref_count() == 5)
+
+b4 = r.global_create(a)
+assert(a:ref_count() == 6)