update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/lua/template_extend2_runme.lua

@@ -0,0 +1,14 @@
+require("import")	-- the import fn
+import("template_extend2")	-- import lib into global
+te=template_extend2 --alias
+
+-- catching undefined 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})
+
+lb = te.lBaz()
+assert(lb:foo() == "lBaz::foo")
+
+db = te.dBaz()
+assert(db:foo() == "dBaz::foo")