[gtk/gtk-3-24: 1/2] Fix extend selection behavior in ListBox

[Matthias Clasen <matthiasc src gnome org>]

commit 42d4e6de511e6a813c2c9468004c18c88d1ce8ad
Author: John Renner <john jrenner net>
Date:   Tue Apr 20 12:16:00 2021 -0700

    Fix extend selection behavior in ListBox

 gtk/gtklistbox.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index db3ec5cbb8..c35c604f2d 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -1765,7 +1765,10 @@ gtk_list_box_update_selection_full (GtkListBox    *box,
               g_signal_emit (box, signals[ROW_SELECTED], 0, row);
             }
           else
-            gtk_list_box_select_all_between (box, selected_row, row, FALSE);
+            {
+              priv->selected_row = selected_row;
+              gtk_list_box_select_all_between (box, selected_row, row, FALSE);
+            }
         }
       else
         {