[libdazzle] shortcuts: add use-underline for accelerators

[Christian Hergert <chergert src gnome org>]

commit acc78f538296eba155b42ff3b86e2dbedda9c3e7
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 10 16:08:54 2017 -0700

    shortcuts: add use-underline for accelerators

 src/shortcuts/dzl-shortcut-simple-label.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/shortcuts/dzl-shortcut-simple-label.c b/src/shortcuts/dzl-shortcut-simple-label.c
index 000c6ad..29629b8 100644
--- a/src/shortcuts/dzl-shortcut-simple-label.c
+++ b/src/shortcuts/dzl-shortcut-simple-label.c
@@ -167,6 +167,7 @@ dzl_shortcut_simple_label_init (DzlShortcutSimpleLabel *self)
 {
   self->title = g_object_new (GTK_TYPE_LABEL,
                               "visible", TRUE,
+                              "use-underline", TRUE,
                               "xalign", 0.0f,
                               NULL);
   dzl_gtk_widget_add_style_class (GTK_WIDGET (self->title), "title");