[gitg] Fix the api break by libgit2-glib

[Ignacio Casal Quinteiro <icq src gnome org>]

commit fcf25a45fc2ffa73316c8a6e59645551eb3e3826
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Oct 3 09:06:48 2012 +0200

    Fix the api break by libgit2-glib

 plugins/files/gitg-files-tree-store.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/files/gitg-files-tree-store.vala b/plugins/files/gitg-files-tree-store.vala
index 750a3ff..d2b67e5 100644
--- a/plugins/files/gitg-files-tree-store.vala
+++ b/plugins/files/gitg-files-tree-store.vala
@@ -120,7 +120,7 @@ public class TreeStore : Gtk.TreeStore
 		try
 		{
 			d_tree.walk((root, entry) => {
-				var attr = entry.get_attributes();
+				var attr = entry.get_file_mode();
 				var isdir = Posix.S_ISDIR(attr);
 
 				Gtk.TreeIter? parent = null;