[gnome-flashback] input-sources: set css name for GfCandidateBox

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 8246b78147868bb4aad90116f6b77c8a708ca582
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Jan 18 10:13:32 2016 +0200

    input-sources: set css name for GfCandidateBox

 .../libinput-sources/gf-candidate-box.c            |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gnome-flashback/libinput-sources/gf-candidate-box.c 
b/gnome-flashback/libinput-sources/gf-candidate-box.c
index 338445d..74fd0e8 100644
--- a/gnome-flashback/libinput-sources/gf-candidate-box.c
+++ b/gnome-flashback/libinput-sources/gf-candidate-box.c
@@ -68,8 +68,10 @@ static void
 gf_candidate_box_class_init (GfCandidateBoxClass *box_class)
 {
   GObjectClass *object_class;
+  GtkWidgetClass *widget_class;
 
   object_class = G_OBJECT_CLASS (box_class);
+  widget_class = GTK_WIDGET_CLASS (box_class);
 
   object_class->set_property = gf_candidate_box_set_property;
 
@@ -79,6 +81,8 @@ gf_candidate_box_class_init (GfCandidateBoxClass *box_class)
                       G_PARAM_STATIC_STRINGS);
 
   g_object_class_install_properties (object_class, LAST_PROP, properties);
+
+  gtk_widget_class_set_css_name (widget_class, "gf-candidate-box");
 }
 
 static void