[gitg] files: no need for sentinel

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 898dbd688931fffe3ce6ba1ff21583d22dc1de7c
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Fri Feb 15 22:13:02 2013 +0100

    files: no need for sentinel

 plugins/files/gitg-files-tree-store.vala |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/plugins/files/gitg-files-tree-store.vala b/plugins/files/gitg-files-tree-store.vala
index 2f15b27..6f633fb 100644
--- a/plugins/files/gitg-files-tree-store.vala
+++ b/plugins/files/gitg-files-tree-store.vala
@@ -155,8 +155,7 @@ public class TreeStore : Gtk.TreeStore
                                    0, icon,
                                    1, entry.get_name(),
                                    2, isdir,
-                                   3, entry.get_id(),
-                                   -1);
+                                   3, entry.get_id());
 
                                if (isdir)
                                {