gnu: emacs-emms: Update to 5.4.

* gnu/packages/emacs-xyz.scm (emacs-emms): Update to 5.4.

gnu/packages/emacs-xyz.scm

@@ -1322,14 +1322,13 @@ incrementally confined in Isearch manner.")
 (define-public emacs-emms
   (package
     (name "emacs-emms")
-    (version "5.3")
-    (source (origin
+    (version "5.4")
+    (source
+     (origin
        (method url-fetch)
-              (uri (string-append "mirror://gnu/emms/emms-"
-                                  version ".tar.gz"))
+       (uri (string-append "mirror://gnu/emms/emms-" version ".tar.gz"))
        (sha256
-               (base32
-                "00hnv7jjgb2simgrf7gf2y1cyg2syk7kj1hkbac146hlgxk8ngj1"))
+        (base32 "1nd7sb6pva7qb1ki6w0zhd6zvqzd7742kaqi0f3v4as5jh09l6nr"))
        (modules '((guix build utils)))
        (snippet
         '(begin