[libgit2-glib] ggit-status-options.c: Fix return annotations

[Igor Gnatenko <ignatenko src gnome org>]

commit 9339f3c9b9d914467058544b87e22fb9739881ca
Author: Brian C. Lane <bcl redhat com>
Date:   Wed Aug 30 17:47:09 2017 -0700

    ggit-status-options.c: Fix return annotations
    
    Add (nullable) as needed.

 libgit2-glib/ggit-status-options.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgit2-glib/ggit-status-options.c b/libgit2-glib/ggit-status-options.c
index ebb8bf5..3e1926c 100644
--- a/libgit2-glib/ggit-status-options.c
+++ b/libgit2-glib/ggit-status-options.c
@@ -50,7 +50,7 @@ _ggit_status_options_get_status_options (GgitStatusOptions *status_options)
  *
  * Copies @status_options into a newly allocated #GgitStatusOptions.
  *
- * Returns: (transfer full): a newly allocated #GgitStatusOptions.
+ * Returns: (transfer full) (nullable): a newly allocated #GgitStatusOptions or %NULL.
  */
 GgitStatusOptions *
 ggit_status_options_copy (GgitStatusOptions *status_options)