[vala] Copy default_expression in FormalParameter.copy

[Jürg Billeter <juergbi src gnome org>]

commit 589edc7aec4e95e8249f99dc703bb799203ac89f
Author: Evan Nemerson <evan coeus-group com>
Date:   Fri Apr 9 17:20:08 2010 -0700

    Copy default_expression in FormalParameter.copy

 vala/valaformalparameter.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/vala/valaformalparameter.vala b/vala/valaformalparameter.vala
index 6212b6c..e01ad49 100644
--- a/vala/valaformalparameter.vala
+++ b/vala/valaformalparameter.vala
@@ -207,6 +207,7 @@ public class Vala.FormalParameter : Symbol {
 			var result = new FormalParameter (name, parameter_type, source_reference);
 			result.params_array = params_array;
 			result.direction = this.direction;
+			result.default_expression = this.default_expression;
 			return result;
 		} else {
 			return new FormalParameter.with_ellipsis ();