[vala] gtk3: annotate nullable label args

[Stefan Kost <stefkost src gnome org>]

commit 1785f6ab8215a1f7bba53f7292c7f95f12e29ff6
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Thu Aug 29 11:54:52 2013 +0200

    gtk3: annotate nullable label args

 vapi/gtk+-3.0.vapi                       |    8 ++++----
 vapi/packages/gtk+-3.0/gtk+-3.0.metadata |    4 ++++
 2 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/vapi/gtk+-3.0.vapi b/vapi/gtk+-3.0.vapi
index 8a39a4e..58a6d9f 100644
--- a/vapi/gtk+-3.0.vapi
+++ b/vapi/gtk+-3.0.vapi
@@ -624,7 +624,7 @@ namespace Gtk {
        [CCode (cheader_filename = "gtk/gtk.h")]
        public class AspectFrame : Gtk.Frame, Atk.Implementor, Gtk.Buildable {
                [CCode (has_construct_function = false, type = "GtkWidget*")]
-               public AspectFrame (string label, float xalign, float yalign, float ratio, bool obey_child);
+               public AspectFrame (string? label, float xalign, float yalign, float ratio, bool obey_child);
                public void @set (float xalign, float yalign, float ratio, bool obey_child);
                [NoAccessorMethod]
                public bool obey_child { get; set; }
@@ -2151,11 +2151,11 @@ namespace Gtk {
                public virtual void compute_child_allocation (Gtk.Allocation allocation);
                public unowned string get_label ();
                public void get_label_align (float xalign, float yalign);
-               public unowned Gtk.Widget get_label_widget ();
+               public unowned Gtk.Widget? get_label_widget ();
                public Gtk.ShadowType get_shadow_type ();
-               public void set_label (string label);
+               public void set_label (string? label);
                public void set_label_align (float xalign, float yalign);
-               public void set_label_widget (Gtk.Widget label_widget);
+               public void set_label_widget (Gtk.Widget? label_widget);
                public void set_shadow_type (Gtk.ShadowType type);
                public string label { get; set; }
                public Gtk.Widget label_widget { get; set; }
diff --git a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
index 72f5e36..66e7292 100644
--- a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
+++ b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
@@ -54,6 +54,7 @@ gtk_application_get_windows type_arguments="unowned Window"
 gtk_application_inhibit.window nullable="1"
 gtk_application_inhibit.reason nullable="1"
 GtkArg.d hidden="1"
+gtk_aspect_frame_new.label nullable="1"
 GtkAssistant.apply hidden="1"
 GtkAssistant.cancel hidden="1"
 GtkAssistant.close hidden="1"
@@ -313,6 +314,9 @@ gtk_font_chooser_set_filter_func.data hidden="1"
 gtk_font_chooser_set_filter_func.destroy hidden="1"
 GtkFontSelectionDialog deprecated_since="3.2" replacement="FontChooserDialog"
 gtk_frame_new.label nullable="1"
+gtk_frame_get_label_widget nullable="1"
+gtk_frame_set_label.label nullable="1"
+gtk_frame_set_label_widget.label_widget nullable="1"
 gtk_grid_attach_next_to.sibling nullable="1"
 GtkHandleBox.child_detached hidden="1"
 GtkHandleBox::child_detached hidden="1"