[libgit2-glib] ggit-index-entry-resolve-undo.c: Fix return annotations

[Igor Gnatenko <ignatenko src gnome org>]

commit 3f583a7eae6f867fdd110cbb3913bd75166eb3e7
Author: Brian C. Lane <bcl redhat com>
Date:   Wed Aug 30 16:52:34 2017 -0700

    ggit-index-entry-resolve-undo.c: Fix return annotations
    
    Add (nullable) as needed.

 libgit2-glib/ggit-index-entry-resolve-undo.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/libgit2-glib/ggit-index-entry-resolve-undo.c b/libgit2-glib/ggit-index-entry-resolve-undo.c
index 728f623..bf429c5 100644
--- a/libgit2-glib/ggit-index-entry-resolve-undo.c
+++ b/libgit2-glib/ggit-index-entry-resolve-undo.c
@@ -75,7 +75,7 @@ _ggit_index_entries_resolve_undo_wrap (GgitIndex *owner)
  * Atomically increments the reference count of @entry by one.
  * This function is MT-safe and may be called from any thread.
  *
- * Returns: (transfer none): a #GgitIndexEntryResolveUndo.
+ * Returns: (transfer none) (nullable): a #GgitIndexEntryResolveUndo or %NULL.
  **/
 GgitIndexEntryResolveUndo *
 ggit_index_entry_resolve_undo_ref (GgitIndexEntryResolveUndo *entry)
@@ -112,7 +112,7 @@ ggit_index_entry_resolve_undo_unref (GgitIndexEntryResolveUndo *entry)
  * Atomically increments the reference count of @entries by one.
  * This function is MT-safe and may be called from any thread.
  *
- * Returns: (transfer none): a #GgitIndexEntriesResolveUndo.
+ * Returns: (transfer none) (nullable): a #GgitIndexEntriesResolveUndo or %NULL.
  *
  **/
 GgitIndexEntriesResolveUndo *
@@ -156,7 +156,7 @@ ggit_index_entries_resolve_undo_unref (GgitIndexEntriesResolveUndo *entries)
  * 2) The entry has not been removed (see ggit_index_remove())
  * 3) The index has not been refreshed (see ggit_index_read())
  *
- * Returns: (transfer full): a #GgitIndexEntryResolveUndo.
+ * Returns: (transfer full) (nullable): a #GgitIndexEntryResolveUndo or %NULL.
  *
  **/
 GgitIndexEntryResolveUndo *
@@ -204,7 +204,7 @@ ggit_index_entries_resolve_undo_size (GgitIndexEntriesResolveUndo *entries)
  * only and should not be modified by the caller. If the entry could not be
  * found, %NULL is returned.
  *
- * Returns: (transfer full): a #GgitIndexEntryResolveUndo or %NULL.
+ * Returns: (transfer full) (nullable): a #GgitIndexEntryResolveUndo or %NULL.
  *
  **/
 GgitIndexEntryResolveUndo *
@@ -264,7 +264,7 @@ ggit_index_entry_resolve_undo_get_mode (GgitIndexEntryResolveUndo *entry,
  *
  * Get the oid of the index entry.
  *
- * Returns: the oid.
+ * Returns: (transfer full) (nullable): the oid or %NULL.
  *
  **/
 GgitOId *
@@ -283,7 +283,7 @@ ggit_index_entry_resolve_undo_get_id (GgitIndexEntryResolveUndo *entry,
  *
  * Get the file of the index entry.
  *
- * Returns: (transfer full): a #GFile.
+ * Returns: (transfer full) (nullable): a #GFile or %NULL.
  *
  **/
 GFile *