libsodium: 1.0.15 -> 1.0.16

pkgs/development/libraries/libsodium/default.nix

···
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "libsodium-1.0.15";
+  name = "libsodium-1.0.16";
 
   src = fetchurl {
     url = "https://download.libsodium.org/libsodium/releases/${name}.tar.gz";
-    sha256 = "1x3qw7lsz44vcxpcn1dvwig410phg6gmv31jwj94arrgka3rwspv";
+    sha256 = "0cq5pn7qcib7q70mm1lgjwj75xdxix27v0xl1xl0kvxww7hwgbgf";
   };
 
   outputs = [ "out" "dev" ];