util.set: Remove unused variable

diff --git a/util/set.lua b/util/set.lua
index b9e9ef217c25d4f8d55e37853d0788ee863eb061..fa065a9c5b8a2f7df7375273df27f1ae06bd8318 100644 (file)
--- a/util/set.lua
+++ b/util/set.lua
@@ -23,7 +23,7 @@ function set_mt.__sub(set1, set2)
        return _M.difference(set1, set2);
 end
 function set_mt.__div(set, func)
-       local new_set, new_items = _M.new();
+       local new_set = _M.new();
        local items, new_items = set._items, new_set._items;
        for item in pairs(items) do
                local new_item = func(item);