[gnome-control-center] common: Fix ... row not showing in language chooser

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit f649308f1f3d275055f6281deeb7333a7729262b
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Oct 24 17:28:46 2018 +1300

    common: Fix ... row not showing in language chooser
    
    Broken in 67a9f474645e7bc6b0a5a53d722ddd55873ade9d

 panels/common/cc-language-chooser.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/panels/common/cc-language-chooser.c b/panels/common/cc-language-chooser.c
index 95956471d..ae6391a78 100644
--- a/panels/common/cc-language-chooser.c
+++ b/panels/common/cc-language-chooser.c
@@ -120,10 +120,12 @@ more_widget_new (void)
 
         row = gtk_list_box_row_new ();
         box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+        gtk_widget_show (box);
         gtk_container_add (GTK_CONTAINER (row), box);
         gtk_widget_set_tooltip_text (box, _("More…"));
 
         arrow = gtk_image_new_from_icon_name ("view-more-symbolic", GTK_ICON_SIZE_MENU);
+        gtk_widget_show (arrow);
         gtk_style_context_add_class (gtk_widget_get_style_context (arrow), "dim-label");
         gtk_widget_set_margin_top (box, 10);
         gtk_widget_set_margin_bottom (box, 10);
@@ -387,6 +389,7 @@ cc_language_chooser_init (CcLanguageChooser *chooser)
         gtk_widget_init_template (GTK_WIDGET (chooser));
 
         chooser->more_item = more_widget_new ();
+        gtk_widget_show (GTK_WIDGET (chooser->more_item));
         /* We ref-sink here so we can reuse this widget multiple times */
         chooser->no_results = g_object_ref_sink (no_results_widget_new ());
         gtk_widget_show (chooser->no_results);