[libgit2-glib] Fix ahead/behind annotations

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

commit 28ba9fdb77566d642d079e2e46682bb464247dab
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Sat Aug 22 14:35:35 2015 +0200

    Fix ahead/behind annotations

 libgit2-glib/ggit-repository.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgit2-glib/ggit-repository.c b/libgit2-glib/ggit-repository.c
index e1dfffe..a4e0cbc 100644
--- a/libgit2-glib/ggit-repository.c
+++ b/libgit2-glib/ggit-repository.c
@@ -2581,8 +2581,8 @@ ggit_repository_stash_foreach (GgitRepository     *repository,
  * @repository: a #GgitRepository.
  * @local: the commit for local.
  * @upstream: the commit for upstream.
- * @ahead: number of unique from commits in @upstream.
- * @behind: number of unique from commits in @local.
+ * @ahead: (out): number of unique from commits in @upstream.
+ * @behind: (out): number of unique from commits in @local.
  * @error: a #GError for error reporting, or %NULL.
  *
  * Count the number of unique commits between two commit objects.