[vala] GAsync: Fix uncaught error's return statement

[Jürg Billeter <juergbi src gnome org>]

commit 1151c7c22ec6c36ded031c68e8349c69d4831244
Author: Didier 'Ptitjes <ptitjes free fr>
Date:   Tue Jun 9 11:19:49 2009 +0200

    GAsync: Fix uncaught error's return statement
    
    FALSE must be returned in coroutines, independent of the return
    type.
    
    Signed-off-by: Didier 'Ptitjes <ptitjes free fr>

 codegen/valagerrormodule.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valagerrormodule.vala b/codegen/valagerrormodule.vala
index ee93a09..b8ba1a1 100644
--- a/codegen/valagerrormodule.vala
+++ b/codegen/valagerrormodule.vala
@@ -151,6 +151,8 @@ internal class Vala.GErrorModule : CCodeDelegateModule {
 
 		if (current_method is CreationMethod) {
 			cerror_block.add_statement (new CCodeReturnStatement (new CCodeConstant ("NULL")));
+		} else if (current_method.coroutine) {
+			cerror_block.add_statement (new CCodeReturnStatement (new CCodeConstant ("FALSE")));
 		} else if (current_return_type is VoidType) {
 			cerror_block.add_statement (new CCodeReturnStatement ());
 		} else if (current_return_type != null) {