zip: Enable cross-compilation

pkgs/tools/archivers/zip/default.nix

···
     ];
     sha256 = "0sb3h3067pzf3a7mlxn1hikpcjrsvycjcnj9hl9b1c3ykcgvps7h";
   };
+  patchPhase = ''
+    substituteInPlace unix/Makefile --replace 'CC = cc' ""
+  '';
 
   hardeningDisable = [ "format" ];