libopus: 1.1 -> 1.1.2

pkgs/development/libraries/libopus/default.nix

···
 { stdenv, fetchurl, fixedPoint ? false, withCustomModes ? true }:
 
 let
-  version = "1.1";
+  version = "1.1.2";
 in
 stdenv.mkDerivation rec {
   name = "libopus-${version}";
 
   src = fetchurl {
     url = "http://downloads.xiph.org/releases/opus/opus-${version}.tar.gz";
-    sha256 = "158xprn2086arvdib3vbbygz7z6jqkw2nci7nlywzzwallap0wmr";
+    sha256 = "1z87x5c5x951lhnm70iqr2gqn15wns5cqsw8nnkvl48jwdw00a8f";
   };
 
   outputs = [ "dev" "out" ];