[gitg/vala] Set sort mode after resetting walker

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 53d41e0321792c3405187b3ebe368c86924c5e55
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Fri Jul 6 18:49:40 2012 +0200

    Set sort mode after resetting walker

 libgitg/gitg-commit-model.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgitg/gitg-commit-model.vala b/libgitg/gitg-commit-model.vala
index 211f3f1..c5969ec 100644
--- a/libgitg/gitg-commit-model.vala
+++ b/libgitg/gitg-commit-model.vala
@@ -206,8 +206,6 @@ public class CommitModel : Object
 				try
 				{
 					d_walker = new Ggit.RevisionWalker(d_repository);
-					d_walker.set_sort_mode(Ggit.SortMode.TOPOLOGICAL |
-					                       Ggit.SortMode.TIME);
 				}
 				catch
 				{
@@ -217,6 +215,7 @@ public class CommitModel : Object
 			}
 
 			d_walker.reset();
+			d_walker.set_sort_mode(Ggit.SortMode.TOPOLOGICAL | Ggit.SortMode.TIME);
 
 			foreach (Ggit.OId oid in included)
 			{
@@ -262,6 +261,7 @@ public class CommitModel : Object
 				try
 				{
 					id = d_walker.next();
+
 					if (id == null)
 					{
 						break;