gnu: emacs-company-restclient: Don't use unstable tarball.

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

gnu/packages/emacs-xyz.scm

@@ -11379,14 +11379,13 @@ the current upstream.")
     (version "0.1.0")
     (source
      (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/iquiw/company-restclient/archive/"
-             "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/iquiw/company-restclient.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
        (sha256
-        (base32
-         "1kr3f0wgqlk7r171bvb2kinv7fanwj2md01wdpx04qkgwcr1as00"))))
+        (base32 "0i1fh5lvqwlgn3g3fzh0xacxyljx6gkryipn133vfkv4jbns51n4"))))
     (build-system emacs-build-system)
     (propagated-inputs
      `(("emacs-company" ,emacs-company)