gnu: cdogs-sdl: Update to commit bab20313.

Fixes <https://bugs.gnu.org/30623>.

* gnu/packages/games.scm (cdogs-sdl): Update to commit
bab2031369b9ea2dbeb7eedbde10a43dd8ca83db.
[source]: Use git-fetch.

gnu/packages/games.scm

@@ -3539,17 +3539,21 @@ emerges from a sewer hole and pulls her below ground.")
                      license:cc-by-sa3.0)))))
 
 (define-public cdogs-sdl
+  ;; XXX: Use version 0.6.7 when it's available.
+  (let ((commit "bab2031369b9ea2dbeb7eedbde10a43dd8ca83db")
+        (revision "1"))
    (package
      (name "cdogs-sdl")
-    (version "0.6.6")
+     (version (git-version "0.6.6" revision commit))
      (source (origin
-              (method url-fetch)
+               (method git-fetch)
-              (uri (string-append "https://github.com/cxong/cdogs-sdl/"
+               (uri (git-reference
-                                  "archive/" version ".tar.gz"))
+                     (url "https://github.com/cxong/cdogs-sdl.git")
-              (file-name (string-append name "-" version ".tar.gz"))
+                     (commit commit)))
+               (file-name (git-file-name name version))
                (sha256
                 (base32
-                "08gbx6vqqir48xs6qdfa4kv70gj4j96wzs90pg7qldfasxz34ljm"))))
+                 "09sfqhrrffhvxbhigvrxfmai52w01w3f9kjmixjhqvqlkhn77c9n"))))
      (build-system cmake-build-system)
      (arguments
       `(#:configure-flags
@@ -3574,7 +3578,7 @@ over 100 user-created campaigns.")
                     license:bsd-3
                     license:cc0
                     license:cc-by3.0
-                   license:cc-by-sa3.0))))
+                    license:cc-by-sa3.0)))))
 
 (define-public kiki
   (package