[gnome-music/gnome-3-10] Correctly update position in update callback

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit f1ee258ff716c34c5f778a572379a289782a4d54
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Fri Oct 4 11:39:13 2013 +0200

    Correctly update position in update callback
    
    https://bugzilla.gnome.org/show_bug.cgi?id=709386

 gnomemusic/player.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnomemusic/player.py b/gnomemusic/player.py
index 2d9ea24..9f81962 100644
--- a/gnomemusic/player.py
+++ b/gnomemusic/player.py
@@ -542,7 +542,7 @@ class Player(GObject.GObject):
 
     def _update_position_callback(self):
         position = self.player.query_position(Gst.Format.TIME)[1] / 1000000000
-        if position >= 0:
+        if position > 0:
             self.progressScale.set_value(position * 60)
         return True