[rhythmbox] fix up some GtkStock items I missed the first time

[Jonathan Matthew <jmatthew src gnome org>]

commit 38ffea420a4a6d872b3b96adce3e5796ddc7f72a
Author: Jonathan Matthew <jonathan d14n org>
Date:   Tue Feb 24 09:22:29 2015 +1000

    fix up some GtkStock items I missed the first time

 podcast/rb-podcast-properties-dialog.c |    2 +-
 widgets/rb-song-info.c                 |    6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/podcast/rb-podcast-properties-dialog.c b/podcast/rb-podcast-properties-dialog.c
index 5c3cb1c..531958d 100644
--- a/podcast/rb-podcast-properties-dialog.c
+++ b/podcast/rb-podcast-properties-dialog.c
@@ -273,7 +273,7 @@ rb_podcast_properties_dialog_init (RBPodcastPropertiesDialog *dialog)
        gtk_container_add (GTK_CONTAINER (content_area),
                           GTK_WIDGET (gtk_builder_get_object (builder, "podcastproperties")));
        dialog->priv->close_button = gtk_dialog_add_button (GTK_DIALOG (dialog),
-                                                           GTK_STOCK_CLOSE,
+                                                           _("_Close"),
                                                            GTK_RESPONSE_CLOSE);
        gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
 
diff --git a/widgets/rb-song-info.c b/widgets/rb-song-info.c
index aef634c..79f18cf 100644
--- a/widgets/rb-song-info.c
+++ b/widgets/rb-song-info.c
@@ -351,7 +351,7 @@ static void
 rb_song_info_construct_single (RBSongInfo *song_info, GtkBuilder *builder, gboolean editable)
 {
        song_info->priv->backward = gtk_dialog_add_button (GTK_DIALOG (song_info),
-                                                          GTK_STOCK_GO_BACK,
+                                                          _("_Back"),
                                                           GTK_RESPONSE_NONE);
 
        g_signal_connect_object (G_OBJECT (song_info->priv->backward),
@@ -360,7 +360,7 @@ rb_song_info_construct_single (RBSongInfo *song_info, GtkBuilder *builder, gbool
                                 song_info, 0);
 
        song_info->priv->forward = gtk_dialog_add_button (GTK_DIALOG (song_info),
-                                                          GTK_STOCK_GO_FORWARD,
+                                                          _("_Forward"),
                                                           GTK_RESPONSE_NONE);
 
        g_signal_connect_object (G_OBJECT (song_info->priv->forward),
@@ -624,7 +624,7 @@ rb_song_info_constructed (GObject *object)
        g_object_unref (G_OBJECT (shell));
 
        gtk_dialog_add_button (GTK_DIALOG (song_info),
-                              GTK_STOCK_CLOSE,
+                              _("_Close"),
                               GTK_RESPONSE_CLOSE);
 
        gtk_dialog_set_default_response (GTK_DIALOG (song_info),