util.iterators: Localize unpack() in Lua 5.2 compatible way

diff --git a/util/iterators.lua b/util/iterators.lua
index aa9c3ec06a2756c404a2f5a6b1a60e6b81469bd6..e688980b2adcf88305719111bdaf9bd094eaca02 100644 (file)
--- a/util/iterators.lua
+++ b/util/iterators.lua
@@ -11,7 +11,8 @@
 local it = {};
 
 local t_insert = table.insert;
-local select, unpack, next = select, unpack, next;
+local select, next = select, next;
+local unpack = table.unpack or unpack; --luacheck: ignore 113
 local function pack(...) return { n = select("#", ...), ... }; end
 
 -- Reverse an iterator