[gtk/ebassi/activate-signal: 4/6] Use private can_activate() method

[Emmanuele Bassi <ebassi src gnome org>]

commit fde32c5219fa598f845bdb875052671129c938c9
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Dec 4 23:12:50 2020 +0000

    Use private can_activate() method
    
    Instead of checking the activate_signal field directly.

 gtk/gtklabel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 58c7431814..7701422b62 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -1452,7 +1452,7 @@ gtk_label_mnemonic_activate (GtkWidget *widget,
   while (parent)
     {
       if (gtk_widget_get_can_focus (parent) ||
-         (!group_cycling && GTK_WIDGET_GET_CLASS (parent)->activate_signal) ||
+         (!group_cycling && gtk_widget_can_activate (parent)) ||
           GTK_IS_NOTEBOOK (gtk_widget_get_parent (parent)))
        return gtk_widget_mnemonic_activate (parent, group_cycling);
       parent = gtk_widget_get_parent (parent);