libmediainfo: 18.03.1 -> 18.05

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

This update was made based on information from https://repology.org/metapackage/libmediainfo/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 18.05 with grep in /nix/store/5qyyi56b38pqwkrz245xv8skn3bsflzg-libmediainfo-18.05
- directory tree listing: https://gist.github.com/74cf8ceacead58990e67775b627a172a
- du listing: https://gist.github.com/a515ce2cc6f6d9f886c1948aa1d3e561

pkgs/development/libraries/libmediainfo/default.nix

@@ -1,11 +1,11 @@
 { stdenv, fetchurl, autoreconfHook, pkgconfig, libzen, zlib }:
 
 stdenv.mkDerivation rec {
-  version = "18.03.1";
+  version = "18.05";
   name = "libmediainfo-${version}";
   src = fetchurl {
     url = "https://mediaarea.net/download/source/libmediainfo/${version}/libmediainfo_${version}.tar.xz";
-    sha256 = "183gcb6h81blgvssfl5lxsv8h5izkgg6b86z0jy9g699adgkchq2";
+    sha256 = "08ajrmbvqn2cvfq3jjdh64lma77kx4di5vg632c6bmbir89rcxbn";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];