[vala] codegen: Fix lambda expressions passed to GClosure parameters

[Jürg Billeter <juergbi src gnome org>]

commit ce41bb98218a7f6cfc7c1a567bc30d3c5cb649d9
Author: Jürg Billeter <j bitron ch>
Date:   Thu Oct 21 22:06:40 2010 +0200

    codegen: Fix lambda expressions passed to GClosure parameters

 codegen/valaccodebasemodule.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index abebbcf..267a6f4 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -5006,6 +5006,8 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 				ref_call.add_argument (delegate_target);
 				delegate_target = ref_call;
 				set_delegate_target_destroy_notify (lambda, new CCodeIdentifier ("block%d_data_unref".printf (block_id)));
+			} else {
+				set_delegate_target_destroy_notify (lambda, new CCodeConstant ("NULL"));
 			}
 			set_delegate_target (lambda, delegate_target);
 		} else if (get_this_type () != null || in_constructor) {
@@ -5023,10 +5025,13 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 					delegate_target = ref_call;
 					set_delegate_target_destroy_notify (lambda, new CCodeIdentifier ("g_object_unref"));
 				}
+			} else {
+				set_delegate_target_destroy_notify (lambda, new CCodeConstant ("NULL"));
 			}
 			set_delegate_target (lambda, delegate_target);
 		} else {
 			set_delegate_target (lambda, new CCodeConstant ("NULL"));
+			set_delegate_target_destroy_notify (lambda, new CCodeConstant ("NULL"));
 		}
 	}