gnu: sbcl-cl-base64: Update to 3.3.4.

* gnu/packages/lisp-xyz.scm (sbcl-cl-base64): Update to 3.3.4.

gnu/packages/lisp-xyz.scm

@@ -3686,19 +3686,16 @@ Rosenberg's CL packages.")
   (sbcl-package->cl-source-package sbcl-kmrcl))
 
 (define-public sbcl-cl-base64
-  (let ((version "3.3.3"))
   (package
     (name "sbcl-cl-base64")
-      (version version)
+    (version "3.3.4")
     (source
      (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "http://git.kpe.io/cl-base64.git")
-               (commit (string-append "v" version))))
-         (file-name (git-file-name "cl-base64" version))
+       (method url-fetch)
+       (uri (string-append "http://files.kpe.io/cl-base64/cl-base64-"
+                           version ".tar.gz"))
        (sha256
-          (base32 "1dw6j7n6gsd2qa0p0rbsjxj00acxx3i9ca1qkgl0liy8lpnwkypl"))))
+        (base32 "0pl4zwn5bf18dm8fh1kn1yshaa6kpmfrjyb33z9mq4raqmj3xpv2"))))
     (build-system asdf-build-system/sbcl)
     (arguments
      ;; Tests fail with: :FORCE and :FORCE-NOT arguments not allowed
@@ -3716,7 +3713,7 @@ Rosenberg's CL packages.")
 Besides conversion to and from strings, integer conversions are supported.
 Encoding with Uniform Resource Identifiers is supported by using a modified
 encoding table that uses only URI-compatible characters.")
-      (license license:bsd-3))))
+    (license license:bsd-3)))
 
 (define-public cl-base64
   (sbcl-package->cl-source-package sbcl-cl-base64))