* wl-summary.el: Fixed last change again.

diff --git a/wl/wl-summary.el b/wl/wl-summary.el
index c2597c8..b5975c6 100644 (file)
--- a/wl/wl-summary.el
+++ b/wl/wl-summary.el
@@ -4244,6 +4244,7 @@ If ARG, exit virtual folder."
        (elmo-mime-charset wl-summary-buffer-mime-charset)
        (folder wl-summary-buffer-elmo-folder)
        (number (elmo-msgdb-overview-entity-get-number entity))
+       (thr-indent-string (or thr-indent-string ""))
        no-parent from subject parent-raw-subject parent-subject
        line mark
        (elmo-lang wl-summary-buffer-weekday-name-lang)