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

* gnu/packages/emacs-xyz.scm (emacs-tablist)[source]: Download using
git-fetch.

gnu/packages/emacs-xyz.scm

@@ -1581,14 +1581,14 @@ (define-public emacs-tablist
     (name "emacs-tablist")
     (version "0.70")
     (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/politza/tablist/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
+              (method git-fetch)
+              (uri (git-reference
+                     (url "https://github.com/politza/tablist.git")
+                     (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
               (sha256
                (base32
-                "177d6s7ym1mwz1nhnl09r14z3n093g9a2szm97xsaig0c204xz9c"))))
+                "0gy9hxm7bca0l1hfy2pzn86avpifrz3bs8xzpicj4kxw5wi4ygns"))))
     (build-system emacs-build-system)
     (home-page "https://github.com/politza/tablist")
     (synopsis "Extension for @code{tabulated-list-mode}")