MIDIVisualizer: 6.3 -> 6.4

stdenv.mkDerivation rec {

  pname = "MIDIVisualizer";

  version = "6.3";

  version = "6.4";

  src = fetchFromGitHub {

    owner = "kosua20";

    repo = pname;

    rev = "v${version}";

    sha256 = "sha256-U/YmxHD6e13I++aW+z1Y5xtZ+MN0KUJLSskrF4+UgTE=";

    sha256 = "sha256-XR5xmQYVbBR6QWt/+PLeGqg0t4xl35MPrQNaPsmgAYA=";

  };

  nativeBuildInputs = [ cmake pkg-config makeWrapper];