[timer] Minor style fix

timer.lua

@@ -74,7 +74,7 @@ function Timer:after(delay, func)
 end
 
 function Timer:every(delay, after, count)
-    local count = count or math.huge -- exploit below: math.huge - 1 = math.huge
+    count = count or math.huge -- exploit below: math.huge - 1 = math.huge
     local handle = {
         time = 0,
         during = _nothing_,