powerstat: 0.02.15 -> 0.02.16

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

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

These checks were done:

- built on NixOS
- /nix/store/r8r2fb581gxng6pkwyvbssyl3w21f2pg-powerstat-0.02.16/bin/powerstat passed the binary check.
- 1 of 1 passed binary check by having a zero exit code.
- 0 of 1 passed binary check by having the new version present in output.
- found 0.02.16 with grep in /nix/store/r8r2fb581gxng6pkwyvbssyl3w21f2pg-powerstat-0.02.16
- directory tree listing: https://gist.github.com/07ed4981848777e18cca2c072d0fb30c
- du listing: https://gist.github.com/5766491662635d4a960a7cd3a4911db0

pkgs/os-specific/linux/powerstat/default.nix

@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "powerstat-${version}";
-  version = "0.02.15";
+  version = "0.02.16";
   src = fetchurl {
     url = "http://kernel.ubuntu.com/~cking/tarballs/powerstat/powerstat-${version}.tar.gz";
-    sha256 = "0m8662qv77nzbwkdpydiz87kd75cjjajgp30j6mc5padyw65bxxx";
+    sha256 = "14sx37l40038sjygsnp95542fkbhhc911vd9k5rf85czmvndz29m";
   };
   installFlags = [ "DESTDIR=$(out)" ];
   postInstall = ''