[gtk/wip/baedert/for-master] label: Use widget API to add style class

[Timm Bäder <baedert src gnome org>]

commit 42816c981c63ea36b8d31583580256d861fb40dd
Author: Timm Bäder <mail baedert org>
Date:   Fri Apr 10 16:16:02 2020 +0200

    label: Use widget API to add style class

 gtk/gtklabel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index e815329ab7..4a8279bd77 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -2338,7 +2338,7 @@ gtk_label_set_markup_internal (GtkLabel    *label,
       priv->select_info->n_links = n_links;
       _gtk_label_accessible_update_links (label);
       gtk_label_ensure_has_tooltip (label);
-      gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (label)), "link");
+      gtk_widget_add_css_class (GTK_WIDGET (label), "link");
     }
 
   if (with_uline)