[vala] codegen: Fix C warning when copying immutable classes

[Luca Bruno <lucabru src gnome org>]

commit 7a777df57af31d133069d5874d79d77f2d74ba81
Author: Luca Bruno <lucabru src gnome org>
Date:   Tue Nov 1 10:54:59 2011 +0100

    codegen: Fix C warning when copying immutable classes

 codegen/valaccodebasemodule.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index df7af48..47d3004 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3929,6 +3929,7 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 			var ccall = new CCodeFunctionCall (new CCodeIdentifier (dup0_func));
 			ccall.add_argument (cexpr);
 			result.cvalue = ccall;
+			result.value_type.value_owned = true;
 			return store_temp_value (result, node);
 		}