procs: fix darwin build (#117559)

pkgs/tools/admin/procs/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, installShellFiles, Security }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, installShellFiles, Security, libiconv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "procs";
@@ -22,7 +22,7 @@ rustPlatform.buildRustPackage rec {
     done
   '';
 
-  buildInputs = lib.optional stdenv.isDarwin Security;
+  buildInputs = lib.optionals stdenv.isDarwin [ Security libiconv ];
 
   meta = with lib; {
     description = "A modern replacement for ps written in Rust";

pkgs/top-level/all-packages.nix

@@ -2836,6 +2836,7 @@ in
 
   procs = callPackage ../tools/admin/procs {
     inherit (darwin.apple_sdk.frameworks) Security;
+    inherit (darwin) libiconv;
   };
 
   psrecord = python3Packages.callPackage ../tools/misc/psrecord {};