libsodium: 1.0.19 -> 1.0.20

Changes: https://github.com/jedisct1/libsodium/releases/tag/1.0.20-RELEASE

pkgs/development/libraries/libsodium/default.nix

@@ -1,28 +1,18 @@
-{ lib, stdenv, fetchurl, fetchpatch, autoreconfHook
+{ lib, stdenv, fetchurl, autoreconfHook
 , testers
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libsodium";
-  version = "1.0.19";
+  version = "1.0.20";
 
   src = fetchurl {
     url = "https://download.libsodium.org/libsodium/releases/${finalAttrs.pname}-${finalAttrs.version}.tar.gz";
-    hash = "sha256-AY15/goEXMoHMx03vQy1ey6DjFG8SP2DehRy5QBou+o=";
+    hash = "sha256-67Ze9spDkzPCu0GgwZkFhyiNoH9sf9B8s6GMwY0wzhk=";
   };
 
   outputs = [ "out" "dev" ];
 
-  patches = [
-    # Drop -Ofast as it breaks floating point arithmetics in downstream
-    # users.
-    (fetchpatch {
-      name = "drop-Ofast.patch";
-      url  = "https://github.com/jedisct1/libsodium/commit/ffd1e374989197b44d815ac8b5d8f0b43b6ce534.patch";
-      hash = "sha256-jG0VirIoFBwYmRx6zHSu2xe6pXYwbeqNVhPJxO6eJEY=";
-    })
-  ];
-
   nativeBuildInputs = [ autoreconfHook ];
 
   separateDebugInfo = stdenv.isLinux && stdenv.hostPlatform.libc != "musl";