gnu: sfarkxtc: Update to 0-1.13cd6f937.

* gnu/packages/compression.scm (sfarkxtc): Update to 0-1.13cd6f937.

gnu/packages/compression.scm

@@ -604,10 +604,11 @@ with the sfArk algorithm.")
     (license license:gpl3+)))
 
 (define-public sfarkxtc
- (let ((commit "b5e0a2ba3921f019d74d4b92bd31c36dd19d2cf1"))
+  (let ((commit "13cd6f93725a90d91ec5ea75babf1dbd694ac463")
+        (revision "1"))
     (package
       (name "sfarkxtc")
-    (version (string-take commit 10))
+      (version (git-version "0" revision commit))
       (source (origin
                 ;; There are no release tarballs, so we just fetch the latest
                 ;; commit at this time.
@@ -618,7 +619,7 @@ with the sfArk algorithm.")
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                "0f5x6i46qfl6ry21s7g2p4sd4b2r1g4fb03yqi2vv4kq3saryhvj"))))
+                  "1mb1jyk1m11l1gppd9hmql9cyp55sdf7jk5rbc7acky1z4k4mv19"))))
       (build-system gnu-build-system)
       (arguments
        `(#:tests? #f                    ;no "check" target