[gnome-music] player: Always set nextTrack

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 418e8101fecbe30c13dc36ddb7b2c822ce94d2a3
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Sun Aug 2 23:59:48 2015 +0200

    player: Always set nextTrack
    
    Always set nextTrack in _validate_next_track(), also in the None case.
    
    This fixes: https://bugzilla.gnome.org/show_bug.cgi?id=744807

 gnomemusic/player.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/player.py b/gnomemusic/player.py
index bf60170..ceb29d5 100644
--- a/gnomemusic/player.py
+++ b/gnomemusic/player.py
@@ -638,11 +638,11 @@ class Player(GObject.GObject):
         if track is None:
             track = self._get_next_track()
 
+        self.nextTrack = track
+
         if track is None:
             return
 
-        self.nextTrack = track
-
         _iter = self.playlist.get_iter(self.nextTrack.get_path())
         status = self.playlist.get_value(_iter, self.discovery_status_field)
         nextSong = self.playlist.get_value(_iter, self.playlistField)