[gnome-music: 3/4] increase offset in _add_item if and only if the check on the if item condition passed

[Seif Lotfy <seiflotfy src gnome org>]

commit 0a25a213ec820771fcf2a3a226cf091a57d83b36
Author: Seif Lotfy <seif lotfy com>
Date:   Sun Aug 4 11:10:38 2013 +0200

    increase offset in _add_item if and only if the check on the if item
    condition passed

 gnomemusic/view.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnomemusic/view.py b/gnomemusic/view.py
index 4fe4f5b..6750b12 100644
--- a/gnomemusic/view.py
+++ b/gnomemusic/view.py
@@ -491,9 +491,9 @@ class Artists (ViewContainer):
         self._artistAlbumsWidget.add(self.artistAlbums)
 
     def _add_item(self, source, param, item):
-        self._offset += 1
         if item is None:
             return
+        self._offset += 1
         artist = item.get_string(Grl.METADATA_KEY_ARTIST)
         if not artist:
             artist = item.get_author()