[libgit2-glib] urgh... typo

[Ignacio Casal Quinteiro <icq src gnome org>]

commit f91b4f626bd8fcdacb11e19ea7a39dc6f1d6dc5e
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu Jun 20 09:37:51 2013 +0200

    urgh... typo

 libgit2-glib/ggit-diff.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgit2-glib/ggit-diff.c b/libgit2-glib/ggit-diff.c
index 583ee37..c811eea 100644
--- a/libgit2-glib/ggit-diff.c
+++ b/libgit2-glib/ggit-diff.c
@@ -164,7 +164,7 @@ ggit_diff_new_tree_to_tree (GgitRepository   *repository,
        g_return_val_if_fail (GGIT_IS_REPOSITORY (repository), NULL);
        g_return_val_if_fail (old_tree == NULL || GGIT_IS_TREE (old_tree), NULL);
        g_return_val_if_fail (new_tree == NULL || GGIT_IS_TREE (new_tree), NULL);
-       g_return_val_if_fail (new_tree != NULL || new_tree != NULL, NULL);
+       g_return_val_if_fail (old_tree != NULL || new_tree != NULL, NULL);
        g_return_val_if_fail (error == NULL || *error == NULL, NULL);
 
        ret = git_diff_tree_to_tree (&diff,