osinfo-db: 20180325 -> 20180416

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

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

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 20180416 with grep in /nix/store/nwpn0sz1yrnya6fy9i1akyc1k0viqxmm-osinfo-db-20180416
- directory tree listing: https://gist.github.com/1a5a860f2b7b5bae8fab95a8735b6528