[gtk/a11y/label-name: 1/3] label: Set the accessible label property

[Matthias Clasen <matthiasc src gnome org>]

commit 08ae513064c9a5b056a260ce0f73780a215d8745
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 19 14:28:32 2020 -0400

    label: Set the accessible label property
    
    This will make label text show up in ATs again.

 gtk/gtklabel.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index d23f0253a9..b6c1e43e49 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -1696,6 +1696,10 @@ gtk_label_set_text_internal (GtkLabel *self,
   g_free (self->text);
   self->text = str;
 
+  gtk_accessible_update_property (GTK_ACCESSIBLE (self),
+                                  GTK_ACCESSIBLE_PROPERTY_LABEL, str,
+                                  -1);
+
   gtk_label_select_region_index (self, 0, 0);
 }