libnatpmp: fix dyld path on darwin

This solves #164240

pkgs/development/libraries/libnatpmp/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl }:
+{ lib, stdenv, fetchurl, fixDarwinDylibNames }:
 
 stdenv.mkDerivation rec {
   pname = "libnatpmp";
@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
     "CC:=$(CC)"
   ];
 
+  nativeBuildInputs = lib.optional stdenv.isDarwin fixDarwinDylibNames;
+
   postFixup = ''
     chmod +x $out/lib/*
   '';