gnu: emacs-mew: Update to 6.9-1.35772ee.

* gnu/packages/mail.scm (emacs-mew): Update to 6.9-1.35772ee.
[source]: Set upstream to GitHub as the release tarball is missing from home
page.

gnu/packages/mail.scm

@@ -1112,16 +1112,21 @@ repository and Maildir/IMAP as LOCAL repository.")
   (deprecated-package "offlineimap" offlineimap3))
 
 (define-public emacs-mew
+  (let ((commit "35772ee0b44dd7e56b0f3899b27fa545b2bc6f03")
+        (revision "1"))
     (package
       (name "emacs-mew")
-    (version "6.8")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://mew.org/Release/mew-"
-                                  version ".tar.gz"))
+      (version (git-version "6.9" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/kazu-yamamoto/Mew")
+               (commit commit)))
+         (file-name (git-file-name name version))
          (sha256
           (base32
-                "0ixzyq33l6j34410kqav3lwn2wx171zvqd3irvns2jvhrbww8i6g"))))
+           "0xazygwdc328m5l31rxjazq9giv2xrygp2p2q455lf3jhdxwq1km"))))
       (native-inputs
        (list emacs))
       (propagated-inputs
@@ -1143,7 +1148,7 @@ repository and Maildir/IMAP as LOCAL repository.")
            (modify-phases %standard-phases
              (add-after 'configure 'patch-mew-icon-directory
                (lambda* (#:key outputs #:allow-other-keys)
-               (emacs-substitute-sexps "mew-key.el"
+                 (emacs-substitute-sexps "elisp/mew-key.el"
                    ("(def.* mew-icon-directory"
                     `(progn
                       (add-to-list 'image-load-path 'mew-icon-directory)
@@ -1160,7 +1165,7 @@ repository and Maildir/IMAP as LOCAL repository.")
       (description "Mew (Messaging in the Emacs World) is a user interface
 for text messages, multimedia messages (MIME), news articles and
 security functionality including PGP, S/MIME, SSH, and SSL.")
-    (license license:bsd-3)))
+      (license license:bsd-3))))
 
 (define-public mu
   (package