nodePackages: regenerate with node2nix 1.5.3

pkgs/development/node-packages/composition-v8.nix

@@ -1,4 +1,4 @@
-# This file has been generated by node2nix 1.5.2. Do not edit!
+# This file has been generated by node2nix 1.5.3. Do not edit!
 
 {pkgs ? import <nixpkgs> {
     inherit system;
@@ -8,6 +8,7 @@ let
   nodeEnv = import ./node-env.nix {
     inherit (pkgs) stdenv python2 utillinux runCommand writeTextFile;
     inherit nodejs;
+    libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
   };
 in
 import ./node-packages-v8.nix {