[vala] glib-2.0: Make GLib.Log.default_handler a GLib.LogFunc

[Evan Nemerson <evann src gnome org>]

commit cf5df5bc7d8358a59cdd58f5ab1a7c36347f401b
Author: Evan Nemerson <evan coeus-group com>
Date:   Wed Jan 19 15:24:00 2011 -0800

    glib-2.0: Make GLib.Log.default_handler a GLib.LogFunc
    
    Fixes bug 638682.

 vapi/glib-2.0.vapi |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 5deec50..5ea94db 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -2036,7 +2036,8 @@ namespace GLib {
 	namespace Log {
 		public static uint set_handler (string? log_domain, LogLevelFlags log_levels, LogFunc log_func);
 		public static void set_default_handler (LogFunc log_func);
-		public static void default_handler (string? log_domain, LogLevelFlags log_level, string message, void* unused_data = null);
+		[CCode (delegate_target = "NULL")]
+		public static GLib.LogFunc default_handler;
 		public static void set_fatal_mask (string log_domain, LogLevelFlags log_levels);
 		public static void set_always_fatal (LogLevelFlags log_levels);