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

[Igor Gnatenko <ignatenko src gnome org>]

commit 203b73232124227816b2b00e23c4b0a1babd4d03
Author: Brian C. Lane <bcl redhat com>
Date:   Wed Aug 30 16:57:35 2017 -0700

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

 libgit2-glib/ggit-merge-options.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgit2-glib/ggit-merge-options.c b/libgit2-glib/ggit-merge-options.c
index 7671b99..fd665b3 100644
--- a/libgit2-glib/ggit-merge-options.c
+++ b/libgit2-glib/ggit-merge-options.c
@@ -50,7 +50,7 @@ _ggit_merge_options_get_merge_options (GgitMergeOptions *merge_options)
  *
  * Copies @merge_options into a newly allocated #GgitMergeOptions.
  *
- * Returns: (transfer full): a newly allocated #GgitMergeOptions.
+ * Returns: (transfer full) (nullable): a newly allocated #GgitMergeOptions or %NULL.
  */
 GgitMergeOptions *
 ggit_merge_options_copy (GgitMergeOptions *merge_options)
@@ -242,7 +242,7 @@ ggit_merge_options_set_similarity_metric (GgitMergeOptions         *merge_option
  *
  * Get the similarity metric.
  *
- * Returns: (transfer none): the similarity metric, or %NULL.
+ * Returns: (transfer none) (nullable): the similarity metric, or %NULL.
  *
  **/
 GgitDiffSimilarityMetric *