[gnome-music] view: don't crash if artist was not found

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 6dc91ddab50d2a3a99eb41bb114851657aa61692
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Mon May 5 20:21:34 2014 +0200

    view: don't crash if artist was not found

 gnomemusic/player.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gnomemusic/player.py b/gnomemusic/player.py
index ee43438..aa866e0 100644
--- a/gnomemusic/player.py
+++ b/gnomemusic/player.py
@@ -380,6 +380,8 @@ class Player(GObject.GObject):
         try:
             assert media.get_artist() is not None
             artist = media.get_artist()
+        except:
+            pass
         finally:
             self.artistLabel.set_label(artist)