liburcu: 0.9.3 -> 0.9.5

pkgs/development/libraries/liburcu/default.nix

···
 { stdenv, fetchurl, perl }:
 
 stdenv.mkDerivation rec {
-  version = "0.9.3";
+  version = "0.9.5";
   name = "liburcu-${version}";
 
   src = fetchurl {
     url = "http://lttng.org/files/urcu/userspace-rcu-${version}.tar.bz2";
-    sha256 = "01j0xp3f0w147yfyzybkjvb7i67i7prsvnkssgvgwry9lvk35khv";
+    sha256 = "19iq7985rhvbrj99hlmbyq2wjrkhssvigh5454mhaprn3c7jaj6r";
   };
 
   nativeBuildInputs = stdenv.lib.optional doCheck perl;