[gnome-music] Use correct source when we're fetching thumbnails

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 768a3829f712f0594ea28dd61cbf17fbaa5e2824
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Mon May 26 13:55:37 2014 +0200

    Use correct source when we're fetching thumbnails

 gnomemusic/grilo.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gnomemusic/grilo.py b/gnomemusic/grilo.py
index f33b24a..260974f 100644
--- a/gnomemusic/grilo.py
+++ b/gnomemusic/grilo.py
@@ -247,7 +247,8 @@ class Grilo(GObject.GObject):
 
         options = self.full_options.copy()
         options.set_count(1)
-        self.tracker.query(query, self.METADATA_THUMBNAIL_KEYS, options, callback, data)
+
+        self.search_source.query(query, self.METADATA_THUMBNAIL_KEYS, options, callback, data)
 
 
 Grl.init(None)