Fix problem with entering Gnus groups when Gnus isn't running

* lisp/gnus/gnus-sum.el (gnus-update-summary-mark-positions):
Don't bug out when Gnus isn't running (bug#45330).

diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index a0e7173998b62167eab77caf62ab7912404e8ceb..38edc772f8fe462ef34381cf9ecfdc9ba25ff6fc 100644 (file)
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -3658,6 +3658,7 @@ buffer that was in action when the last article was fetched."
               ;; so we don't call gnus-data-<field> accessors on nil.
               (gnus-newsgroup-data gnus--dummy-data-list)
              (gnus-newsgroup-downloadable '(0))
+             (gnus-visual nil)
              case-fold-search ignores)
          ;; Here, all marks are bound to Z.
          (gnus-summary-insert-line gnus--dummy-mail-header