menusectionbox: Avoid a critical warning

The popover may already be gone when the item
is activated. Don't trigger a critical in that
case.

Related: #2986

diff --git a/gtk/gtkmenusectionbox.c b/gtk/gtkmenusectionbox.c
index bdcab6c80c1e5236995b1f4b88203ae531db3ad1..916ef54c47833ee5d319a70ae346dd7024e484bb 100644 (file)
--- a/gtk/gtkmenusectionbox.c
+++ b/gtk/gtkmenusectionbox.c
@@ -189,8 +189,9 @@ gtk_popover_item_activate (GtkWidget *button,
       /* Activating the item could cause the popover
        * to be free'd, for example if it is a Quit item
        */
-      popover = g_object_ref (gtk_widget_get_ancestor (button,
-                                                       GTK_TYPE_POPOVER));
+      popover = gtk_widget_get_ancestor (button, GTK_TYPE_POPOVER);
+      if (popover)
+        g_object_ref (popover);
     }
 
   gtk_menu_tracker_item_activated (item);