batctl: 2018.0 -> 2018.1

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/batctl/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/8djn6psqrxjc66chnig215c5z8il9zaw-batctl-2018.1/bin/batctl -h’ got 0 exit code
- found 2018.1 with grep in /nix/store/8djn6psqrxjc66chnig215c5z8il9zaw-batctl-2018.1
- directory tree listing: https://gist.github.com/13f600b1fb0404e8b5b78d0e2e32f5c5

pkgs/os-specific/linux/batman-adv/batctl.nix

@@ -1,14 +1,14 @@
 { stdenv, fetchurl, pkgconfig, libnl }:
 
 let
-  ver = "2018.0";
+  ver = "2018.1";
 in
 stdenv.mkDerivation rec {
   name = "batctl-${ver}";
 
   src = fetchurl {
     url = "http://downloads.open-mesh.org/batman/releases/batman-adv-${ver}/${name}.tar.gz";
-    sha256 = "1x7gy6agwk68s2cbhc4wfhvhdy2ccrq0vi7jzaj94pn8nqshi5ss";
+    sha256 = "0lxm0vb0w1gxyi5k553jgkpmhifc4cykzfybrsk8hvwilq6pv1r7";
   };
 
   nativeBuildInputs = [ pkgconfig ];