[vala] Fix type declaration for sizeof expressions

[Jürg Billeter <juergbi src gnome org>]

commit 3d29edacca913ac824690bed45dfbef983cdae85
Author: Jürg Billeter <j bitron ch>
Date:   Sat Dec 19 12:37:38 2009 +0100

    Fix type declaration for sizeof expressions

 codegen/valaccodebasemodule.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 3ca3c6f..7a1b455 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3957,6 +3957,8 @@ internal class Vala.CCodeBaseModule : CCodeModule {
 	}
 
 	public override void visit_sizeof_expression (SizeofExpression expr) {
+		generate_type_declaration (expr.type_reference, source_declarations);
+
 		var csizeof = new CCodeFunctionCall (new CCodeIdentifier ("sizeof"));
 		csizeof.add_argument (new CCodeIdentifier (expr.type_reference.get_cname ()));
 		expr.ccodenode = csizeof;