[gnome-builder] greeter: add missing mnemonics

[Christian Hergert <chergert src gnome org>]

commit 523a39731e70f715791c46e996b434b3e108d534
Author: Christian Hergert <chergert redhat com>
Date:   Thu Sep 26 15:06:59 2019 -0700

    greeter: add missing mnemonics
    
    Add mnemonics for select folder/clone repository.
    
    Related #1043

 src/libide/greeter/ide-greeter-buttons-section.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/libide/greeter/ide-greeter-buttons-section.c 
b/src/libide/greeter/ide-greeter-buttons-section.c
index c70c1c5a2..ac10d84ad 100644
--- a/src/libide/greeter/ide-greeter-buttons-section.c
+++ b/src/libide/greeter/ide-greeter-buttons-section.c
@@ -59,17 +59,19 @@ ide_greeter_buttons_section_init (IdeGreeterButtonsSection *self)
   ide_greeter_buttons_section_add_button (self,
                                           0,
                                           g_object_new (GTK_TYPE_BUTTON,
-                                                        "label", _("Select a Folder…"),
+                                                        "label", _("Select a _Folder…"),
                                                         "visible", TRUE,
                                                         "action-name", "win.open",
+                                                        "use-underline", TRUE,
                                                         NULL));
   ide_greeter_buttons_section_add_button (self,
                                           100,
                                           g_object_new (GTK_TYPE_BUTTON,
-                                                        "label", _("Clone Repository…"),
+                                                        "label", _("_Clone Repository…"),
                                                         "visible", TRUE,
                                                         "action-name", "win.surface",
                                                         "action-target", g_variant_new_string ("clone"),
+                                                        "use-underline", TRUE,
                                                         NULL));
 }