[gtk/gtk-3-24] Silence a compiler warning

[Matthias Clasen <matthiasc src gnome org>]

commit 08e20ce597c78e8455cf26fa09537d94bef478f1
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Apr 10 15:46:31 2019 -0400

    Silence a compiler warning

 gtk/gtkactionbar.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gtk/gtkactionbar.c b/gtk/gtkactionbar.c
index 64162c1dfe..effd494abe 100644
--- a/gtk/gtkactionbar.c
+++ b/gtk/gtkactionbar.c
@@ -358,7 +358,6 @@ gtk_action_bar_class_init (GtkActionBarClass *klass)
 static void
 gtk_action_bar_init (GtkActionBar *action_bar)
 {
-  GtkWidget *widget = GTK_WIDGET (action_bar);
   GtkActionBarPrivate *priv = gtk_action_bar_get_instance_private (action_bar);
   GtkCssNode *widget_node;