gnu: emacs-wordgen: Don't use unstable tarball.

* gnu/packages/emacs-xyz.scm (emacs-wordgen)[source]: Use GIT-FETCH and
GIT-FILE-NAME.

gnu/packages/emacs-xyz.scm

@@ -11171,13 +11171,13 @@ bookmarks and history.")
     (version "0.1.4")
     (source
      (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Fanael/wordgen.el/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/Fanael/wordgen.el.git")
+             (commit version)))
+       (file-name (git-file-name name version))
        (sha256
-        (base32
-         "1h2iyixdm49h53pwj9ics9gb9h3g6wa4hainpnjg6mfarf49jkmg"))))
+        (base32 "06vbc9ycz1nbjwjkg99y3lj6jwb6lnwnmkqf09yr00jjrrfhfash"))))
     (build-system emacs-build-system)
     (home-page "https://github.com/Fanael/wordgen.el")
     (synopsis "Random word generator")