made luash set the session ID correctly

exec/luash.lua

@@ -1,6 +1,7 @@
 local tA = {...}
 local si = tA[1]
 spawn("lua shell",function()
+ os.setenv("sI",si)
  _ENV = shutil.genenv()
  coroutine.yield()
  log(pcall(login))
@@ -45,4 +46,4 @@ spawn("lua shell",function()
    print(table.unpack(r))
   end
  end
-end,{sI=si})
+end)