util.set: Remove unnecessary local declaration, arguments are already locals [luacheck]

diff --git a/util/set.lua b/util/set.lua
index 04f5f0f4f297d3d5b9d8bf3d167edebf4cf6d092..c160d28e79adf6123220f4b84fe7f99e0ca6de35 100644 (file)
--- a/util/set.lua
+++ b/util/set.lua
@@ -34,7 +34,7 @@ function set_mt.__div(set, func)
        return new_set;
 end
 function set_mt.__eq(set1, set2)
-       local set1, set2 = set1._items, set2._items;
+       set1, set2 = set1._items, set2._items;
        for item in pairs(set1) do
                if not set2[item] then
                        return false;