opusTools: update from 0.1.8 to 0.1.9

pkgs/applications/audio/opus-tools/default.nix

···
 {stdenv, fetchurl, libogg, libao, pkgconfig, libopus, flac}:
 
 stdenv.mkDerivation rec {
-  name = "opus-tools-0.1.8";
+  name = "opus-tools-0.1.9";
   src = fetchurl {
     url = "http://downloads.xiph.org/releases/opus/${name}.tar.gz";
-    sha256 = "1xm2lhdz92n9zmk496lyagisyzja46kx8q340vay9i51krbqiqg4";
+    sha256 = "0fk4nknvl111k89j5yckmyrh6b2wvgyhrqfncp7rig3zikbkv1xi";
   };
 
   buildInputs = [ libogg libao pkgconfig libopus flac ];
···
   meta = {
     description = "Tools to work with opus encoded audio streams";
     homepage = http://www.opus-codec.org/;
-    license = "BSD";
+    license = stdenv.lib.licenses.bsd2;
+    maintainers = with stdenv.lib.maintainers; [ fuuzetsu ];
   };
 }