gnu: emacs-graphviz-dot-mode: Update to 0.4.2.

* gnu/packages/emacs-xyz.scm (emacs-graphviz-dot-mode): Update to 0.4.2.
[native-inputs]: Add emacs-company.
[description]: Fix typo.

gnu/packages/emacs-xyz.scm

@@ -1951,21 +1951,18 @@ Maps directly inside Emacs.")
     (license license:gpl3+)))
 
 (define-public emacs-graphviz-dot-mode
-  (let ((commit "1574c504d9810f34a85e2ff49b6f7648c2be5f27")
-        (revision "1"))
   (package
     (name "emacs-graphviz-dot-mode")
-      (version (string-append "0.4.1-" revision "."
-                              (string-take commit 7)))
-      (source (origin
+    (version "0.4.2")
+    (source
+     (origin
        (method git-fetch)
        (uri (git-reference
              (url "https://github.com/ppareit/graphviz-dot-mode.git")
-                      (commit commit)))
+             (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-                 (base32
-                  "03l6zkkxhbcxj5i13hzjv6ypmzaw70zqqagh7ix1kdn33kpp37jj"))))
+        (base32 "1v1p85wk73nfsvv66qf90flgf9dqhmv15z1r7q4zmc4ifklqn08m"))))
     (build-system emacs-build-system)
     (arguments
      `(#:phases
@@ -1989,15 +1986,16 @@ Maps directly inside Emacs.")
                (install-file "texinfo/graphviz-dot-mode.info.gz" info)
                #t))))))
     (native-inputs
-       `(("texinfo" ,texinfo)
-         ("gzip" ,gzip)))
+     `(("gzip" ,gzip)
+       ("texinfo" ,texinfo)))
+    (propagated-inputs
+     `(("emacs-company" ,emacs-company)))
     (home-page "http://ppareit.github.com/graphviz-dot-mode")
-      (synopsis "Major mode for editing Graphviz Dot files")
+    (synopsis "Major mode for editing Graphviz DOT files")
     (description
-       "This Emacs packages helps you to create @file{.dot} or @file{.gv}
-files using the dot syntax, and use Graphviz to convert these files to
-diagrams.")
-      (license license:gpl2+))))
+     "This Emacs package helps you to create @file{.dot} or @file{.gv} files
+using the DOT syntax, and use Graphviz to convert these files to diagrams.")
+    (license license:gpl2+)))
 
 (define-public emacs-imenu-list
   (package