[vala] gtk+-3.0: make ThemingEngine.register_property.parse_func nullable

[Evan Nemerson <evann src gnome org>]

commit 1ab09b8fefd3cbc8341465bf66601492aa06d008
Author: Evan Nemerson <evan coeus-group com>
Date:   Sun Jan 22 00:04:02 2012 -0800

    gtk+-3.0: make ThemingEngine.register_property.parse_func nullable
    
    Fixes bug 666906.

 vapi/gtk+-3.0.vapi                       |    2 +-
 vapi/packages/gtk+-3.0/gtk+-3.0.metadata |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/vapi/gtk+-3.0.vapi b/vapi/gtk+-3.0.vapi
index 4addda8..7edadb3 100644
--- a/vapi/gtk+-3.0.vapi
+++ b/vapi/gtk+-3.0.vapi
@@ -4703,7 +4703,7 @@ namespace Gtk {
 		public bool has_region (string style_region, out Gtk.RegionFlags flags);
 		public static unowned Gtk.ThemingEngine load (string name);
 		public bool lookup_color (string color_name, out Gdk.RGBA color);
-		public static void register_property (string name_space, Gtk.StylePropertyParser parse_func, GLib.ParamSpec pspec);
+		public static void register_property (string name_space, Gtk.StylePropertyParser? parse_func, GLib.ParamSpec pspec);
 		[NoWrapper]
 		public virtual void render_activity (Cairo.Context cr, double x, double y, double width, double height);
 		[NoWrapper]
diff --git a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
index a49d63f..5f82e8e 100644
--- a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
+++ b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
@@ -754,6 +754,7 @@ gtk_theming_engine_get_padding type_name="Gtk.Border"
 gtk_theming_engine_get_padding.padding hidden="1"
 gtk_theming_engine_get_property type_name="GLib.Value"
 gtk_theming_engine_get_property.value hidden="1"
+gtk_theming_engine_register_property.parse_func nullable="1"
 gtk_theming_engine_get_style_property type_name="GLib.Value"
 gtk_theming_engine_get_style_property.value hidden="1"
 gtk_theming_engine_lookup_color.color is_out="1"