[gnome-music] Remove 'Load More' button from artists

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 6e853e017e793a63061a66dd0c42d37cd6e31dea
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Mon Feb 10 12:49:36 2014 +0100

    Remove 'Load More' button from artists
    
    https://bugzilla.gnome.org/show_bug.cgi?id=724016

 gnomemusic/grilo.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/grilo.py b/gnomemusic/grilo.py
index 13d77f0..16e79ce 100644
--- a/gnomemusic/grilo.py
+++ b/gnomemusic/grilo.py
@@ -84,8 +84,8 @@ class Grilo(GObject.GObject):
     def _on_source_removed(self, pluginRegistry, mediaSource):
         print('source removed')
 
-    def populate_artists(self, offset, callback):
-        self.populate_items(Query.ARTISTS, offset, callback)
+    def populate_artists(self, offset, callback, count=-1):
+        self.populate_items(Query.ARTISTS, offset, callback, count)
 
     def populate_albums(self, offset, callback, count=50):
         self.populate_items(Query.ALBUMS, offset, callback, count)