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

[Igor Gnatenko <ignatenko src gnome org>]

commit 7297989e03af4e4c0ed4e1b05f0631e2660ad996
Author: Brian C. Lane <bcl redhat com>
Date:   Wed Aug 30 17:18:06 2017 -0700

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

 libgit2-glib/ggit-push-options.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgit2-glib/ggit-push-options.c b/libgit2-glib/ggit-push-options.c
index e98baaa..f334834 100644
--- a/libgit2-glib/ggit-push-options.c
+++ b/libgit2-glib/ggit-push-options.c
@@ -117,7 +117,7 @@ ggit_push_options_init (GgitPushOptions *options)
  *
  * Create a new push options object.
  *
- * Returns: a #GgitPushOptions.
+ * Returns: (transfer full) (nullable): a #GgitPushOptions or %NULL.
  *
  **/
 GgitPushOptions *