piping-server-rust: fix darwin build

pkgs/servers/piping-server-rust/default.nix

···
-{ lib, rustPlatform, fetchFromGitHub }:
+{ lib, rustPlatform, fetchFromGitHub, stdenv, Security }:
 
 rustPlatform.buildRustPackage rec {
   pname = "piping-server-rust";
···
   };
 
   cargoSha256 = "sha256-SDAxXYX51/4S7zRTdNZK9uSjKHKrAXpDJgRRDyu6qug=";
+
+  buildInputs = lib.optional stdenv.isDarwin Security;
 
   meta = with lib; {
     description = "Infinitely transfer between every device over pure HTTP with pipes or browsers";

pkgs/top-level/all-packages.nix

···
 
   pinnwand = callPackage ../servers/pinnwand { };
 
-  piping-server-rust = callPackage ../servers/piping-server-rust { };
+  piping-server-rust = callPackage ../servers/piping-server-rust {
+    inherit (darwin.apple_sdk.frameworks) Security;
+  };
 
   pirate-get = callPackage ../tools/networking/pirate-get { };