[vala] GObject: Do not register nullable struct properties with GObject

[Jürg Billeter <juergbi src gnome org>]

commit 865d6b1c699d12009535ab335546af1e68805187
Author: Jürg Billeter <j bitron ch>
Date:   Sat Sep 19 13:32:56 2009 +0200

    GObject: Do not register nullable struct properties with GObject
    
    Fixes part of bug 595587.

 codegen/valagobjectmodule.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valagobjectmodule.vala b/codegen/valagobjectmodule.vala
index 467ff19..6160901 100644
--- a/codegen/valagobjectmodule.vala
+++ b/codegen/valagobjectmodule.vala
@@ -696,7 +696,7 @@ internal class Vala.GObjectModule : GTypeModule {
 		}
 
 		var st = prop.property_type.data_type as Struct;
-		if (st != null && !st.has_type_id) {
+		if (st != null && (!st.has_type_id || prop.property_type.nullable)) {
 			return false;
 		}