util.openssl: remove unused one-letter loop variable [luacheck]

diff --git a/util/openssl.lua b/util/openssl.lua
index 33234a7d9feaf45184279deb39080714ea6752a8..abd90a849a79c46e37f313e357a8b37fde811bb0 100644 (file)
--- a/util/openssl.lua
+++ b/util/openssl.lua
@@ -70,7 +70,7 @@ function ssl_config:serialize()
                                end
                        end
                elseif k == "distinguished_name" then
-                       for i, k in ipairs(t[1] and t or DN_order) do
+                       for _, k in ipairs(t[1] and t or DN_order) do
                                local v = t[k];
                                if v then
                                        s = s .. ("%s = %s\n"):format(k, v);