gnu: emacs-emms-print-metadata: Update to 22.

* gnu/packages/emacs-xyz.scm (emacs-emms-print-metadata): Update to 22.

[source]: Switch to git-fetch.

Change-Id: I01af0766877bf156144f45ba8720c00820fc9bf4
Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>

gnu/packages/emacs-xyz.scm

@@ -4089,14 +4089,16 @@ podcasts) in Emacs.")
 (define emacs-emms-print-metadata
   (package
     (name "emacs-emms-print-metadata")
-    (version "21")
+    (version "22")
     (source
      (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/"
-                           "emms-" version ".tar"))
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://git.savannah.gnu.org/git/emms/")
+             (commit version)))
+       (file-name (git-file-name name version))
        (sha256
-        (base32 "188rij39qqaya7hk0p05ygcw5vlha7qd6pm4ws6nfw7g0nv1rbcc"))))
+        (base32 "0s89r9fr79kv864zydqgkv2fdwxa0n84w5b40v87rj5hlya0kx6v"))))
     (build-system gnu-build-system)
     (arguments
      (list