darwin: libsndfile: add missing darwin deps

pkgs/development/libraries/libsndfile/default.nix

···
-{ stdenv, fetchurl, flac, libogg, libvorbis, pkgconfig }:
+{ stdenv, fetchurl, flac, libogg, libvorbis, pkgconfig
+, Carbon
+}:
 
 stdenv.mkDerivation rec {
   name = "libsndfile-1.0.25";
···
     sha256 = "10j8mbb65xkyl0kfy0hpzpmrp0jkr12c7mfycqipxgka6ayns0ar";
   };
 
-  buildInputs = [ pkgconfig flac libogg libvorbis ];
+  buildInputs = [ pkgconfig flac libogg libvorbis ]
+    ++ stdenv.lib.optional stdenv.isDarwin Carbon;
 
   # need headers from the Carbon.framework in /System/Library/Frameworks to
   # compile this on darwin -- not sure how to handle

pkgs/top-level/all-packages.nix

···
   # To bootstrap SBCL, I need CLisp 2.44.1; it needs libsigsegv 2.5
   libsigsegv_25 = callPackage ../development/libraries/libsigsegv/2.5.nix { };
 
-  libsndfile = callPackage ../development/libraries/libsndfile { };
+  libsndfile = callPackage ../development/libraries/libsndfile {
+    inherit (darwin.apple_sdk.frameworks) Carbon;
+  };
 
   libsodium = callPackage ../development/libraries/libsodium { };