[gobject-introspection] Update glib annotations

[Cosimo Cecchi <cosimoc src gnome org>]

commit 61014888425590acc66e1f84fe22480d940c9ab8
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Apr 24 12:01:18 2013 -0400

    Update glib annotations

 gir/gio-2.0.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/gir/gio-2.0.c b/gir/gio-2.0.c
index 5a92d00..4280fd7 100644
--- a/gir/gio-2.0.c
+++ b/gir/gio-2.0.c
@@ -20566,6 +20566,17 @@
 
 
 /**
+ * g_icon_deserialize:
+ * @value: a #GVariant created with g_icon_serialize()
+ *
+ * Deserializes a #GIcon previously serialized using g_icon_serialize().
+ *
+ * Returns: (transfer full): a #GIcon, or %NULL when deserialization fails.
+ * Since: 2.38
+ */
+
+
+/**
  * g_icon_equal:
  * @icon1: (allow-none): pointer to the first #GIcon.
  * @icon2: (allow-none): pointer to the second #GIcon.
@@ -20605,6 +20616,21 @@
 
 
 /**
+ * g_icon_serialize:
+ * @icon: a #GIcon
+ *
+ * Serializes a #GIcon into a #GVariant. An equivalent #GIcon can be retrieved
+ * back by calling g_icon_deserialize() on the returned value.
+ * As serialization will avoid using raw icon data when possible, it only
+ * makes sense to transfer the #GVariant between processes on the same machine,
+ * (as opposed to over the network), and within the same file system namespace.
+ *
+ * Returns: (transfer full): a #GVariant, or %NULL when serialization fails.
+ * Since: 2.38
+ */
+
+
+/**
  * g_icon_to_string:
  * @icon: a #GIcon.
  *