libedit: Update to 20150325-3.1

pkgs/development/libraries/libedit/default.nix

···
 { stdenv, fetchurl, ncurses, groff }:
 
 stdenv.mkDerivation rec {
-  name = "libedit-20140620-3.1";
+  name = "libedit-20150325-3.1";
 
   src = fetchurl {
     url = "http://www.thrysoee.dk/editline/${name}.tar.gz";
-    sha256 = "1wnapwcpl4yq8p95j898jl0hsr39if28qzm5a7zwkbplihm9nax2";
+    sha256 = "1if8zi9h52m80ck796an28rrqfljk2n8cn25m3fl0prwz155x2n8";
   };
 
   # Have `configure' avoid `/usr/bin/nroff' in non-chroot builds.
···
     homepage = "http://www.thrysoee.dk/editline/";
     description = "A port of the NetBSD Editline library (libedit)";
     license = licenses.bsd3; 
+    platforms = platforms.all;
   };
 }