[vala] Deprecate implicit .begin for async methods

[JÃrg Billeter <juergbi src gnome org>]

commit 2cdc33d7d8cc4a565e13643a81ece7959dc9f356
Author: JÃrg Billeter <j bitron ch>
Date:   Tue Jul 31 14:29:37 2012 +0200

    Deprecate implicit .begin for async methods

 vala/valamethodcall.vala |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/vala/valamethodcall.vala b/vala/valamethodcall.vala
index 33b820f..0c6705e 100644
--- a/vala/valamethodcall.vala
+++ b/vala/valamethodcall.vala
@@ -1,6 +1,6 @@
 /* valamethodcall.vala
  *
- * Copyright (C) 2006-2011  JÃrg Billeter
+ * Copyright (C) 2006-2012  JÃrg Billeter
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -332,6 +332,9 @@ public class Vala.MethodCall : Expression {
 					// begin or end call of async method
 					if (ma.member_name != "end") {
 						// begin (possibly implicit)
+						if (ma.member_name != "begin") {
+							Report.deprecated (ma.source_reference, "implicit .begin is deprecated");
+						}
 						params = m.get_async_begin_parameters ();
 						ret_type = new VoidType ();
 					} else {