[gitg/vala] Fix correct path for inserting commit row

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

commit a01adeeb735485ae5a7a38955d7bdcba816cdba3
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Wed Jul 18 09:34:51 2012 +0200

    Fix correct path for inserting commit row

 libgitg-gtk/gitg-gtk-commit-model.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgitg-gtk/gitg-gtk-commit-model.vala b/libgitg-gtk/gitg-gtk-commit-model.vala
index 5ddd5cc..93e830b 100644
--- a/libgitg-gtk/gitg-gtk-commit-model.vala
+++ b/libgitg-gtk/gitg-gtk-commit-model.vala
@@ -107,7 +107,7 @@ namespace GitgGtk
 				++d_size;
 
 				row_inserted(path.copy(), iter);
-				path.up();
+				path.next();
 			}
 
 			base.emit_update(added);