gnu: emacs-window-purpose: Update to 1.8.

* gnu/packages/emacs-xyz.scm (emacs-window-purpose): Update to 1.8.

gnu/packages/emacs-xyz.scm

@@ -8514,21 +8514,19 @@ possible, and falls back to moving the left or top border otherwise.")
       (license license:gpl3+))))
 
 (define-public emacs-window-purpose
-  (let ((commit "f6421966761ad911fe8861aba2b110c5dd60d1ea")
-        (revision "1"))
   (package
     (name "emacs-window-purpose")
-      (version (git-version "1.7" revision commit))
+    (version "1.8")
     (source
      (origin
        (method git-fetch)
        (uri (git-reference
              (url "https://github.com/bmag/emacs-purpose.git")
-               (commit commit)))
+             (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
         (base32
-           "1p0y5gnrw7q65py2wjdf1hrdpiw5c2zbgvfbfmb13257jq5mga38"))))
+         "1bq0s56wj6ibyh625zfnisy8yniz72dpg4mcgq55azsbnd4fblqq"))))
     (build-system emacs-build-system)
     (propagated-inputs
      `(("emacs-let-alist" ,emacs-let-alist)
@@ -8557,7 +8555,7 @@ possible, and falls back to moving the left or top border otherwise.")
     (description "Purpose is a package that introduces the concept of a
 \"purpose\" for windows and buffers, and then helps you maintain a robust
 window layout easily.")
-      (license license:gpl3+))))
+    (license license:gpl3+)))
 
 (define-public emacs-iedit
   ;; Last release version was in 2016.