[gtk+/wip/aruiz/nullable-annotations] nullable annotations: gtk_entry_completion_get_model gtk_entry_completion_compute_prefix gtk_e

[Alberto Ruiz <aruiz src gnome org>]

commit 4b711f3c72ef7c10cf2449c91ed6328124792cec
Author: Alberto Ruiz <aruiz gnome org>
Date:   Sat Dec 12 17:35:27 2015 +0000

    nullable annotations:
      gtk_entry_completion_get_model
      gtk_entry_completion_compute_prefix
      gtk_expander_get_label_widget

 gtk/gtkentrycompletion.c |    6 +++---
 gtk/gtkexpander.c        |    2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkentrycompletion.c b/gtk/gtkentrycompletion.c
index b60942a..69dbc87 100644
--- a/gtk/gtkentrycompletion.c
+++ b/gtk/gtkentrycompletion.c
@@ -1177,7 +1177,7 @@ gtk_entry_completion_set_model (GtkEntryCompletion *completion,
  * Returns the model the #GtkEntryCompletion is using as data source.
  * Returns %NULL if the model is unset.
  *
- * Returns: (transfer none): A #GtkTreeModel, or %NULL if none
+ * Returns: (nullable) (transfer none): A #GtkTreeModel, or %NULL if none
  *     is currently being used
  *
  * Since: 2.4
@@ -1726,8 +1726,8 @@ gtk_entry_completion_cursor_on_match (GtkEntryCompletion *completion,
  * Note that a text column must have been set for this function to work,
  * see gtk_entry_completion_set_text_column() for details. 
  *
- * Returns: (transfer full): The common prefix all rows starting with @key
- *   or %NULL if no row matches @key.
+ * Returns: (nullable) (transfer full): The common prefix all rows starting with
+ *   @key or %NULL if no row matches @key.
  *
  * Since: 3.4
  **/
diff --git a/gtk/gtkexpander.c b/gtk/gtkexpander.c
index 030f5a8..018ab71 100644
--- a/gtk/gtkexpander.c
+++ b/gtk/gtkexpander.c
@@ -1927,7 +1927,7 @@ gtk_expander_set_label_widget (GtkExpander *expander,
  * Retrieves the label widget for the frame. See
  * gtk_expander_set_label_widget().
  *
- * Returns: (transfer none): the label widget,
+ * Returns: (nullable) (transfer none): the label widget,
  *     or %NULL if there is none
  *
  * Since: 2.4