[libgda] Fixed vapi generation for Gda.Set.get_holder_value()

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit a2474276eaab8e7c229facd6283edebc06a3ef2c
Author: Daniel Espinosa <despinosa src gnome org>
Date:   Mon Jan 2 16:19:11 2012 -0600

    Fixed vapi generation for Gda.Set.get_holder_value()

 libgda/Gda-5.0.metadata |    1 +
 libgda/libgda-5.0.vapi  |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libgda/Gda-5.0.metadata b/libgda/Gda-5.0.metadata
index f06a544..b064b52 100644
--- a/libgda/Gda-5.0.metadata
+++ b/libgda/Gda-5.0.metadata
@@ -17,6 +17,7 @@ ServerOperation.load_data_from_xml.node type="Xml.Node*"
 Set.groups_list type="GLib.List<Gda.SetGroup>"
 Set.nodes_list type="GLib.List<Gda.SetNode>"
 Set.sources_list type="GLib.List<Gda.SetSource>"
+Set.get_holder_value nullable=true
 TransactionStatus.events type="GLib.List<Gda.TransactionStatusEvent>"
 MetaDbObject.depend_list type="GLib.List<Gda.MetaDbObject>"
 MetaTable.columns type="GLib.List<Gda.MetaTableColumn>"
diff --git a/libgda/libgda-5.0.vapi b/libgda/libgda-5.0.vapi
index 27a8cae..d214b04 100644
--- a/libgda/libgda-5.0.vapi
+++ b/libgda/libgda-5.0.vapi
@@ -819,7 +819,7 @@ namespace Gda {
 		public Set.from_spec_string (string xml_spec) throws GLib.Error;
 		public Gda.SetGroup get_group (Gda.Holder holder);
 		public unowned Gda.Holder get_holder (string holder_id);
-		public GLib.Value get_holder_value (string holder_id);
+		public unowned GLib.Value? get_holder_value (string holder_id);
 		public Gda.SetNode get_node (Gda.Holder holder);
 		public unowned Gda.Holder get_nth_holder (int pos);
 		public Gda.SetSource get_source (Gda.Holder holder);