gnu: mpg321: Update source URL.

* gnu/packages/mp3.scm (mpg321)[source]: Update URL to match what's on
SourceForge.  Add 'file-name'.

1 files changed, 3 insertions, 2 deletions

diff --git a/gnu/packages/mp3.scm b/gnu/packages/mp3.scm
index dadaccdd881..ff67d9e9e52 100644
--- a/gnu/packages/mp3.scm
+++ b/gnu/packages/mp3.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
-;;; Copyright © 2014, 2015, 2017, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2015, 2017, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
@@ -405,7 +405,8 @@ command-line tool as well as a C library, libmpg123.")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/mpg321/mpg321/"
-                                 version "/mpg321-" version ".tar.gz"))
+                                 version "/mpg321_" version ".orig.tar.gz"))
+             (file-name (string-append "mpg321-" version ".tar.gz"))
              (sha256
               (base32
                "0ki8mh76bbmdh77qsiw682dvi8y468yhbdabqwg05igmwc1wqvq5"))