[egg-list-box] Remove useless update_separator call on add

[Alexander Larsson <alexl src gnome org>]

commit 4f369213e334cbfaf74a57d2ae90745f9a7d483c
Author: Alexander Larsson <alexl redhat com>
Date:   Fri May 25 13:05:49 2012 +0200

    Remove useless update_separator call on add
    
    When we add a child the only separators affected are the new
    child, and the one after that.

 egg-list-box.vala |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/egg-list-box.vala b/egg-list-box.vala
index 9506597..373a75f 100644
--- a/egg-list-box.vala
+++ b/egg-list-box.vala
@@ -784,10 +784,8 @@ public class Egg.ListBox : Container {
     apply_filter (widget);
 
     if (this.get_visible ()) {
-      var prev_next = get_next_visible (iter);
       update_separator (iter);
       update_separator (get_next_visible (iter));
-      update_separator (prev_next);
     }
   }