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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpibin help’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpidump -h’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpidump --help’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpiexec -h’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpiexec --help’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpihelp help’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpinames -h’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpinames --help’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpixtract -h’ got 0 exit code
- ran ‘/nix/store/7p0yabnnlx6kqsig855id44ywsjymigc-acpica-tools-20180427/bin/acpixtract --help’ got 0 exit code
- directory tree listing: https://gist.github.com/3a2dd151709bad304f81a4c4c7d3715e

acpica-tools: 2018031 -> 20180427