libotr: 4.1.0 -> 4.1.1 (CVE-2016-2851)

https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/

pkgs/development/libraries/libotr/default.nix

···
 { stdenv, fetchurl, libgcrypt, autoreconfHook }:
 
 stdenv.mkDerivation rec {
-  name = "libotr-4.1.0";
+  name = "libotr-4.1.1";
 
   src = fetchurl {
     url = "https://otr.cypherpunks.ca/${name}.tar.gz";
-    sha256 = "0c6rkh58s6wqzcrpccwdik5qs91qj6dgd60a340d72gc80cqknsg";
+    sha256 = "1x8rliydhbibmzwdbyr7pd7n87m2jmxnqkpvaalnf4154hj1hfwb";
   };
 
   buildInputs = [ autoreconfHook ];