Fix broken eww desktop restore reload prompt message insertion

* lisp/net/eww.el (eww-restore-desktop): Repair a malformed `cl-case`
clause.  This code probably never worked as intended.

diff --git a/lisp/net/eww.el b/lisp/net/eww.el
index 3799ef96e845ef50ec0a9b53d0aab933250c7567..a8a985b8deaab297b60e78c869f185745e8f9456 100644 (file)
--- a/lisp/net/eww.el
+++ b/lisp/net/eww.el
@@ -2498,10 +2498,10 @@ Otherwise, the restored buffer will contain a prompt to do so by using
       (when (plist-get eww-data :url)
        (cl-case eww-restore-desktop
          ((t auto) (eww (plist-get eww-data :url)))
-         ((zerop (buffer-size))
-          (let ((inhibit-read-only t))
-            (insert (substitute-command-keys
-                     eww-restore-reload-prompt)))))))
+         ((nil) (when (zerop (buffer-size))
+                  (let ((inhibit-read-only t))
+                    (insert (substitute-command-keys
+                             eww-restore-reload-prompt))))))))
     ;; .
     (current-buffer)))