gnu: ncdc: Update to 1.21.

* gnu/packages/dc.scm (ncdc): Update to 1.21.

gnu/packages/dc.scm

@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2014 Sree Harsha Totakura <sreeharsha@totakura.in>
-;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -33,14 +33,14 @@
 (define-public ncdc
   (package
     (name "ncdc")
-    (version "1.20")
+    (version "1.21")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "http://dev.yorhel.nl/download/ncdc-" version
                            ".tar.gz"))
        (sha256 (base32
-                "0ccn7dqbqpqsbglqyalz32c20rjvf1pw0zr88jyvd2b2vxbqi6ca"))))
+                "10hrk7pcvfl9cj6d0kr4qf3l068ikqhccbg7lf25pr2kln9lz412"))))
     (build-system gnu-build-system)
     (inputs
      `(("bzip2" ,bzip2)