Update zhCN (#1932)

Author: nanjuekaien1

Diff for: LiberationOfUndermine/Locales/zhCN.lua

@@ -76,7 +76,7 @@ if L then
 	L.unstable_crawler_mines = "地雷"
 	L.goblin_guided_rocket = "火箭"
 	L.double_whammy_shot = "坦克分摊"
-	--L.electro_shocker = "Shocker"
+	L.electro_shocker = "振荡器" --Mk II型电击振荡器
 end
 
 L = BigWigs:NewBossLocale("Chrome King Gallywix", "zhCN")