[vala] codegen: Fix freeing of owned parameters

[Jürg Billeter <juergbi src gnome org>]

commit 6fb32d21b17127b626e702adaf9a0c698b99e73f
Author: Jürg Billeter <j bitron ch>
Date:   Tue Mar 22 20:48:52 2011 +0100

    codegen: Fix freeing of owned parameters
    
    Fixes bug 645177.

 codegen/valaccodebasemodule.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 5a22f44..b23a08d 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3274,7 +3274,7 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 			}
 		}
 
-		if (b.parent_node == stop_at) {
+		if (stop_at != null && b.parent_node == stop_at) {
 			return;
 		}