gnu: sbcl-nibbles: Update to 0.14-1.8e6b9b4.

* gnu/packages/lisp-xyz.scm (sbcl-nibbles): Update to 0.14-1.8e6b9b4.

gnu/packages/lisp-xyz.scm

@@ -1644,24 +1644,27 @@ (define-public ecl-rt
   (sbcl-package->ecl-package sbcl-rt))
 
 (define-public sbcl-nibbles
+  ;; No tagged release since 2018.
+  (let ((commit "8e6b9b42d9f69000f55e5c45ad974d9e376ffdbd")
+        (revision "1"))
     (package
       (name "sbcl-nibbles")
-    (version "0.14")
+      (version (git-version "0.14" revision commit))
       (source
        (origin
          (method git-fetch)
          (uri (git-reference
                (url "https://github.com/sharplispers/nibbles/")
-             (commit (string-append "v" version))))
+               (commit commit)))
          (sha256
-        (base32
-         "1v7qfgpvdr6nz7v63dj69d26dis0kff3rd8xamr1llfdvza2pm8f"))
+          (base32 "15qlsm82h36pjgvfnbzdg60l21qxbaii4d049jc5y0dn56y93amb"))
          (file-name (git-file-name "nibbles" version))))
       (build-system asdf-build-system/sbcl)
       (native-inputs
        ;; Tests only.
        `(("rt" ,sbcl-rt)))
-    (synopsis "Common Lisp library for accessing octet-addressed blocks of data")
+      (synopsis
+       "Common Lisp library for accessing octet-addressed blocks of data")
       (description
        "When dealing with network protocols and file formats, it's common to
 have to read or write 16-, 32-, or 64-bit datatypes in signed or unsigned
@@ -1678,7 +1681,7 @@ (define-public sbcl-nibbles
 reading/writing IEEE singles/doubles (i.e. single-float and double-float) will
 also be supported.")
       (home-page "https://github.com/sharplispers/nibbles")
-    (license license:bsd-3)))
+      (license license:bsd-3))))
 
 (define-public cl-nibbles
   (sbcl-package->cl-source-package sbcl-nibbles))