From cdc50bc06979e9e906fb8a79a160a58f71a2c0e1 Mon Sep 17 00:00:00 2001
From: Auke Kok <sofar+github@foo-projects.org>
Date: Tue, 26 Jan 2016 12:52:55 -0800
Subject: [PATCH] Fix warning

Fixes #25
---
 stairsplus/init.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stairsplus/init.lua b/stairsplus/init.lua
index 2a959c0..44f5972 100644
--- a/stairsplus/init.lua
+++ b/stairsplus/init.lua
@@ -18,7 +18,7 @@ and minetest.setting_getbool("creative_mode") then
 end
 
 function stairsplus:prepare_groups(groups)
-	result = {}
+	local result = {}
 	if groups then
 		for k, v in pairs(groups) do
 			if k ~= "wood" and k ~= "stone" then