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

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

gnu/packages/emacs-xyz.scm

@@ -5609,13 +5609,13 @@ used for reverse direction.")
     (version "0.3.1")
     (source
      (origin
-        (method url-fetch)
-        (uri (string-append "https://github.com/sanel/monroe/archive/"
-                            version ".tar.gz"))
-        (file-name (string-append name "-" version ".tar.gz"))
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/sanel/monroe.git")
+             (commit version)))
+       (file-name (git-file-name name version))
        (sha256
-          (base32
-            "0icdx8shkd951phlnmcq1vqaxp1l667q5rjscskc5r22aylakh4w"))))
+        (base32 "101lfrykdbv37spkbw7zihhx26bc1lhjyxbanrcp9880bxj04jiy"))))
     (build-system emacs-build-system)
     (home-page "https://github.com/sanel/monroe")
     (synopsis "Clojure nREPL client for Emacs")