util.ip: rename variable (i is already defined) [luacheck]

diff --git a/util/ip.lua b/util/ip.lua
index 1f32d1b50e8d532697d05e9bcfca5a84dd7a05b8..81a98ef7dcec640c429c356baa0f8f845fba0a5e 100644 (file)
--- a/util/ip.lua
+++ b/util/ip.lua
@@ -58,8 +58,8 @@ local function toBits(ip)
                        for _ = 1, 4 - field:len() do
                                result = result .. "0000";
                        end
-                       for i = 1, field:len() do
-                               result = result .. hex2bits[field:sub(i,i)];
+                       for j = 1, field:len() do
+                               result = result .. hex2bits[field:sub(j, j)];
                        end
                end
        end