gnu: libaom: Add AVIF support.

* gnu/packages/video.scm (libaom): Update to 1.0.0-errata1-avif.

gnu/packages/video.scm

@@ -272,22 +272,18 @@ (define-public liba52
     (license license:gpl2+)))
 
 (define-public libaom
-  ;; The 1.0.0-errata1 release installs a broken pkg-config .pc file.  This
-  ;; is fixed in libaom commit 0ddc150, but we use an even later commit.
-  (let ((commit "22b150bf040608028a56d8bf39e72f771383d836")
-        (revision "0"))
   (package
     (name "libaom")
-      (version (git-version "1.0.0-errata1" revision commit))
+    (version "1.0.0-errata1-avif")
     (source (origin
               (method git-fetch)
               (uri (git-reference
                     (url "https://aomedia.googlesource.com/aom/")
-                      (commit commit)))
+                    (commit (string-append "v" version))))
               (file-name (git-file-name name version))
               (sha256
                (base32
-                  "1pdd5h3n42607n6qmggz4yv8izhjr2kl6knb3kh7gh4v0vy47h1r"))))
+                "169yfgh7zigc21h71qclfyr7s4wwp2i9vbr4z6pkabypvass4v7m"))))
     (build-system cmake-build-system)
     (native-inputs
      `(("perl" ,perl)
@@ -304,9 +300,9 @@ (define-public libaom
                               (assoc-ref %outputs "out")))))
     (home-page "https://aomedia.googlesource.com/aom/")
     (synopsis "AV1 video codec")
-      (description "Libaom is the reference implementation of AV1.  It includes
+    (description "Libaom is the reference implementation of AV1.  It includes a
-a shared library and encoder and decoder command-line executables.")
+shared library and encoder and decoder command-line executables.")
-      (license license:bsd-2))))
+    (license license:bsd-2)))
 
 (define-public libmpeg2
   (package