mediainfo-gui: 18.12 -> 19.04

Semi-automatic update generated by
https://github.com/ryantm/nixpkgs-update tools. This update was made
based on information from
https://repology.org/metapackage/mediainfo-gui/versions

pkgs/applications/misc/mediainfo-gui/default.nix

@@ -2,11 +2,11 @@
 , desktop-file-utils, libSM, imagemagick }:
 
 stdenv.mkDerivation rec {
-  version = "18.12";
+  version = "19.04";
   name = "mediainfo-gui-${version}";
   src = fetchurl {
     url = "https://mediaarea.net/download/source/mediainfo/${version}/mediainfo_${version}.tar.xz";
-    sha256 = "01pk57ff297lifm3g2hrbmfmchgyy5rir8103n2j3l0dkn2i0g3d";
+    sha256 = "11wag23gx7nprrm1qlgvbc83rs9zxdsshqrp98zwia80xh8c9bk5";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];