Get the ini module to use this API

nixos/modules/tahoe.nix

@@ -6,6 +6,7 @@
 with lib;
 let
   cfg = config.services.tahoe;
+  ini = pkgs.callPackage ../lib/ini.nix { };
 in
   {
     options.services.tahoe = {
@@ -158,7 +159,7 @@ in
                 # This configuration is generated by Nix. Edit at your own
                 # peril; here be dragons.
 
-                ${allConfigSectionsText settings.sections}
+                ${ini.allConfigSectionsText settings.sections}
                 '';
             });
           # Actually require Tahoe, so that we will have it installed.