fixup! Eleven: Fix missing "Add to Playlist" button for current track

* The call to setVisible() was forgotten in
  commit c1c399950eb3df366bb5cd238493dab7577c51e8

Change-Id: Id5c55a9ee33f7cf2461ee412966d32601f9aafb7
diff --git a/src/org/lineageos/eleven/ui/fragments/AudioPlayerFragment.java b/src/org/lineageos/eleven/ui/fragments/AudioPlayerFragment.java
index b6a5743..98b2bd2 100644
--- a/src/org/lineageos/eleven/ui/fragments/AudioPlayerFragment.java
+++ b/src/org/lineageos/eleven/ui/fragments/AudioPlayerFragment.java
@@ -199,7 +199,7 @@
 
         // Add items back if required
         if (MusicUtils.getQueueSize() > 0) {
-            playerMenu.findItem(R.id.menu_audio_player_add_to_playlist);
+            playerMenu.findItem(R.id.menu_audio_player_add_to_playlist).setVisible(true);
             final FragmentActivity activity = getActivity();
             if (activity != null && NavUtils.hasEffectsPanel(activity)) {
                 playerMenu.findItem(R.id.menu_audio_player_equalizer).setVisible(true);