[vala] gtk+-3.0: mark nullable arguments in ListBox API

[Stefano Facchini <sfacchini src gnome org>]

commit e4788dca9178e012f279c1d7b59b9f724addba76
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Mon Jun 17 14:38:13 2013 +0200

    gtk+-3.0: mark nullable arguments in ListBox API

 vapi/gtk+-3.0.vapi                       |   14 +++++++-------
 vapi/packages/gtk+-3.0/gtk+-3.0.metadata |   10 ++++++++++
 2 files changed, 17 insertions(+), 7 deletions(-)
---
diff --git a/vapi/gtk+-3.0.vapi b/vapi/gtk+-3.0.vapi
index 28334ce..3410b90 100644
--- a/vapi/gtk+-3.0.vapi
+++ b/vapi/gtk+-3.0.vapi
@@ -2825,14 +2825,14 @@ namespace Gtk {
                public void invalidate_filter ();
                public void invalidate_headers ();
                public void invalidate_sort ();
-               public void select_row (Gtk.ListBoxRow row);
+               public void select_row (Gtk.ListBoxRow? row);
                public void set_activate_on_single_click (bool single);
-               public void set_adjustment (Gtk.Adjustment adjustment);
-               public void set_filter_func (Gtk.ListBoxFilterFunc filter_func, GLib.DestroyNotify destroy);
-               public void set_header_func (Gtk.ListBoxUpdateHeaderFunc update_header, GLib.DestroyNotify 
destroy);
-               public void set_placeholder (Gtk.Widget placeholder);
+               public void set_adjustment (Gtk.Adjustment? adjustment);
+               public void set_filter_func (Gtk.ListBoxFilterFunc? filter_func, GLib.DestroyNotify? destroy);
+               public void set_header_func (Gtk.ListBoxUpdateHeaderFunc? update_header, GLib.DestroyNotify? 
destroy);
+               public void set_placeholder (Gtk.Widget? placeholder);
                public void set_selection_mode (Gtk.SelectionMode mode);
-               public void set_sort_func (Gtk.ListBoxSortFunc sort_func, GLib.DestroyNotify destroy);
+               public void set_sort_func (Gtk.ListBoxSortFunc? sort_func, GLib.DestroyNotify? destroy);
                public bool activate_on_single_click { get; set; }
                public Gtk.SelectionMode selection_mode { get; set; }
                public virtual signal void activate_cursor_row ();
@@ -2852,7 +2852,7 @@ namespace Gtk {
                public ListBoxRow ();
                public void changed ();
                public unowned Gtk.Widget get_header ();
-               public void set_header (Gtk.Widget header);
+               public void set_header (Gtk.Widget? header);
        }
        [CCode (cheader_filename = "gtk/gtk.h")]
        public class ListStore : GLib.Object, Gtk.TreeModel, Gtk.TreeDragSource, Gtk.TreeDragDest, 
Gtk.TreeSortable, Gtk.Buildable {
diff --git a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
index bfc350c..dbb6749 100644
--- a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
+++ b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
@@ -424,6 +424,16 @@ gtk_layout_get_size.width is_out="1"
 gtk_layout_get_size.height is_out="1"
 gtk_layout_new.hadjustment nullable="1" default_value="null"
 gtk_layout_new.vadjustment nullable="1" default_value="null"
+gtk_list_box_row_set_header.header nullable="1"
+gtk_list_box_select_row.row nullable="1"
+gtk_list_box_set_adjustment.adjustment nullable="1"
+gtk_list_box_set_filter_func.filter_func nullable="1"
+gtk_list_box_set_filter_func.destroy nullable="1"
+gtk_list_box_set_header_func.update_header nullable="1"
+gtk_list_box_set_header_func.destroy nullable="1"
+gtk_list_box_set_placeholder.placeholder nullable="1"
+gtk_list_box_set_sort_func.sort_func nullable="1"
+gtk_list_box_set_sort_func.destroy nullable="1"
 gtk_list_store_new ellipsis="1" sentinel=""
 gtk_list_store_newv.n_columns hidden="1"
 gtk_list_store_newv.types array_length_pos="0.9"