- Fix missing dependence

Zframework/clipboard_thread.lua

@@ -3,6 +3,8 @@ local getCHN,setCHN,triggerCHN=...
 local CHN_demand,CHN_getCount=triggerCHN.demand,triggerCHN.getCount
 local CHN_push,CHN_pop=triggerCHN.push,triggerCHN.pop
 
+JS=require'Zframework.js'
+
 local yield=coroutine.yield
 local setThread=coroutine.wrap(function()
     while true do
@@ -61,5 +63,3 @@ while true do-- Running
     print('Running getThread')
     getThread()
 end
-
-error()