gnu: emacs-git-gutter: Update to 0.92-0.ec28e85.

0.92 fails on recent emacs versions because of missing global-linum-mode.

* gnu/packages/emacs-xyz.scm (emacs-git-gutter): Update to 0.92-0.ec28e85.

gnu/packages/emacs-xyz.scm

@@ -4862,18 +4862,20 @@ representation.")
       (license license:gpl2+))))
 
 (define-public emacs-git-gutter
+  (let ((commit "ec28e85d237065cb3c28db4b66d129da6d309f9c")
+        (revision "0"))
     (package
       (name "emacs-git-gutter")
-    (version "0.92")
+      (version (git-version "0.92" revision commit))
       (source
        (origin
          (method git-fetch)
          (uri (git-reference
                (url "https://github.com/syohex/emacs-git-gutter")
-             (commit version)))
+               (commit commit)))
          (file-name (git-file-name name version))
          (sha256
-        (base32 "1fkp6iyisb3g5afyjkxz4yj4ws5f8n7whklck4jdf3014vs01b3c"))))
+          (base32 "1fx3jp65ibcsv8akd8g4k701cs8yq0sg1bd2qszzfh6lvc4pblmi"))))
       (build-system emacs-build-system)
       (home-page "https://github.com/syohex/emacs-git-gutter")
       (synopsis "See and manage hunks of text in a version control system")
@@ -4885,7 +4887,7 @@ can be used to move between and perform actions on these hunks.
 
 Git, Mercurial, Subversion and Bazaar are supported, and many parts of the
 display and behaviour is easily customisable.")
-    (license license:gpl3+)))
+      (license license:gpl3+))))
 
 (define-public emacs-git-gutter-fringe
   (let ((commit "648cb5b57faec55711803cdc9434e55a733c3eba")