libass: 0.12.1 -> 0.12.2

pkgs/development/libraries/libass/default.nix

@@ -1,6 +1,5 @@
 { stdenv, fetchurl, pkgconfig, yasm
-, freetype ? null
-, fribidi ? null
+, freetype, fribidi
 , encaSupport ? true, enca ? null # enca support
 , fontconfigSupport ? true, fontconfig ? null # fontconfig support
 , harfbuzzSupport ? true, harfbuzz ? null # harfbuzz support
@@ -8,19 +7,18 @@
 , largeTilesSupport ? false # Use larger tiles in the rasterizer
 }:
 
-assert ((freetype != null) && (fribidi != null));
-assert encaSupport -> (enca != null);
-assert fontconfigSupport -> (fontconfig != null);
-assert harfbuzzSupport -> (harfbuzz != null);
+assert encaSupport -> enca != null;
+assert fontconfigSupport -> fontconfig != null;
+assert harfbuzzSupport -> harfbuzz != null;
 
 with stdenv.lib;
 stdenv.mkDerivation rec {
   name = "libass-${version}";
-  version = "0.12.1";
+  version = "0.12.2";
 
   src = fetchurl {
     url = "https://github.com/libass/libass/releases/download/${version}/${name}.tar.xz";
-    sha256 = "1mwj2nk9g6cq6f8m1hf0ijg1299rghhy9naahqq43sc2whblb1l7";
+    sha256 = "1qzibgqmnnqk2r116lpk1br764g0v74f2zp12y5id0p1plaing37";
   };
 
   configureFlags = [