Fix syntax errors

lib/modules/i18n.nix

@@ -1,6 +1,7 @@
 { lib, config, ... }:
   let
     inherit (lib)
+      mkOption
       types
     ;
 
@@ -8,13 +9,13 @@
   in {
     options = {
       i18n = {
-        localeSettings = {
+        localeSettings = mkOption {
           type = types.attrsOf types.str;
           description = "The system wide locale settings";
           default = {};
         };
 
-        locales = {
+        locales = mkOption {
           type = types.listOf types.str;
           description = "The locales of the system";
         };
@@ -22,6 +23,6 @@
     };
 
     config = {
-      locales = builtins.attrValues cfg.localeSettings;
+      i18n.locales = builtins.attrValues cfg.localeSettings;
     };
   }