update swig on windows

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

@@ -0,0 +1,44 @@
+require("import")	-- the import fn
+import("global_vars")	-- import lib
+gv = global_vars
+
+-- 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})
+
+gv.b = "abcde"
+assert(gv.b == "abcde")
+
+gv.a.x = 7
+assert(gv.a.x == 7)
+
+a1 = gv.A()
+a1.x = 11
+gv.a = a1
+assert(gv.a.x == 11)
+
+gv.x = 10
+assert(gv.x == 10)
+
+assert(gv.Hi ~= nil)
+assert(gv.Hola ~= nil)
+
+gv.h = gv.Hi
+assert(gv.h == gv.Hi)
+
+
+-- It is not clear whether these tests should work or not
+-- Currently they don't.
+--
+-- assert(gv.c_member == 10)
+--
+-- gv.c_member = 5
+-- assert(gv.x == 5)
+--
+-- gv.h = gv.Hi
+-- assert(gv.hr == gv.Hi)
+--
+-- gv.hr = gv.Hola
+-- assert(gv.h == gv.Hola)
+-- assert(gv.hr == gv.Hola)