nettools: 1.60_p20161110235919 -> 1.60_p20170221182432

Nothing critical, here's the highlights:

* ROSE fixes
* arp scanf/output fix
* linux header compat:
https://sourceforge.net/p/net-tools/code/ci/ea3935bd7c0f36c86c40e5785326698fa3336c6a/

Commit log (short):
https://sourceforge.net/p/net-tools/code/ci/479bb4a7e11a4084e2935c0a576388f92469225b/log/

pkgs/os-specific/linux/net-tools/default.nix

···
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "net-tools-1.60_p20161110235919";
+  name = "net-tools-${version}";
+  version = "1.60_p20170221182432";
 
   src = fetchurl {
     url = "mirror://gentoo/distfiles/${name}.tar.xz";
-    sha256 = "1kbgwkys45kb5wqhchi1kf0sfw93c1cl0hgyw7yhacxzdfxjmdfr";
+    sha256 = "08r4r2a24g5bm8jwgfa998gs1fld7fgbdf7pilrpsw1m974xn04a";
   };
 
   preBuild =