[vala] Declare types used in implicit casts

[Jürg Billeter <juergbi src gnome org>]

commit b5e777e5e5333492861c1e1dcccfc06d7f76455f
Author: Jürg Billeter <j bitron ch>
Date:   Sun May 31 19:15:09 2009 +0200

    Declare types used in implicit casts
    
    Fixes bug 584163.
---
 codegen/valaccodebasemodule.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 06751cd..79e37e2 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3599,6 +3599,8 @@ internal class Vala.CCodeBaseModule : CCodeModule {
 			return cexpr;
 		}
 
+		generate_type_declaration (target_type, source_declarations);
+
 		var cl = target_type.data_type as Class;
 		var iface = target_type.data_type as Interface;
 		if (context.checking && (iface != null || (cl != null && !cl.is_compact))) {