gnu: nano: Update to 2.4.3.

* gnu/packages/nano.scm (nano): Update to 2.4.3.

gnu/packages/nano.scm

 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2012 Nikita Karetnikov <nikita@karetnikov.org>
+;;; Copyright © 2015 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -27,7 +28,7 @@ (define-module (gnu packages nano)
 (define-public nano
   (package
     (name "nano")
-    (version "2.4.2")
+    (version "2.4.3")
     (source
      (origin
       (method url-fetch)
@@ -35,7 +36,7 @@ (define-public nano
                           version ".tar.gz"))
       (sha256
        (base32
-        "1fb5gzdm3jdx1f2vyanjvdmppaz082lf4kinyffnssgmzhc7zkf8"))))
+        "1wk82xh9px17ry8nvpa2qmzar4pcmm3w15a09y76f9k05c3jgmij"))))
     (build-system gnu-build-system)
     (inputs
      `(("gettext" ,gnu-gettext)