[libgd] header-bar: add missing (allow-none) annotations

[Cosimo Cecchi <cosimoc src gnome org>]

commit 839655c19f7d1f01d40b87948da82f784ec11013
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Feb 19 18:33:31 2013 -0500

    header-bar: add missing (allow-none) annotations

 libgd/gd-header-bar.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgd/gd-header-bar.c b/libgd/gd-header-bar.c
index d7b8952..1c329bd 100644
--- a/libgd/gd-header-bar.c
+++ b/libgd/gd-header-bar.c
@@ -519,7 +519,7 @@ gd_header_bar_size_allocate (GtkWidget     *widget,
 /**
  * gd_header_bar_set_title:
  * @bar: a #GdHeaderBar
- * @title: a title
+ * @title: (allow-none): a title
  *
  * Sets the title of the #GdHeaderBar. The title should help a user
  * identify the current view. A good title should not include the
@@ -568,7 +568,7 @@ gd_header_bar_get_title (GdHeaderBar *bar)
 /**
  * gd_header_bar_set_custom_title:
  * @bar: a #GdHeaderBar
- * @title_widget: a custom widget to use for a title
+ * @title_widget: (allow-none): a custom widget to use for a title
  *
  * Sets a custom title for the #GdHeaderBar. The title should help a
  * user identify the current view. This supercedes any title set by