[vala] gobject-2.0: Add binding for Signal.get_invocation_hint

[Michal Hruby <mhruby src gnome org>]

commit 112225a2925a6b70d3549541ca38a713ae3f5210
Author: Michal Hruby <michal mhr gmail com>
Date:   Mon Feb 28 20:04:28 2011 +0100

    gobject-2.0: Add binding for Signal.get_invocation_hint

 vapi/gobject-2.0.vapi |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/vapi/gobject-2.0.vapi b/vapi/gobject-2.0.vapi
index d2978fb..0b87172 100644
--- a/vapi/gobject-2.0.vapi
+++ b/vapi/gobject-2.0.vapi
@@ -589,6 +589,7 @@ namespace GLib {
 		public static ulong add_emission_hook (uint signal_id, Quark detail, SignalEmissionHook hook_func, DestroyNotify? data_destroy);
 		public static void remove_emission_hook (uint signal_id, ulong hook_id);
 		public static bool parse_name (string detailed_signal, Type itype, out uint signal_id, out Quark detail, bool force_detail_quark);
+		public static unowned SignalInvocationHint? get_invocation_hint (void* instance);
 	}
 
 	namespace SignalHandler {