[gxml] Document.vala: correct the type for copy_node

[Richard Hans Schwarting <rschwart src gnome org>]

commit a433d54169bcf7be75a56e289ec15b1ecfa46ca9
Author: Richard Schwarting <aquarichy gmail com>
Date:   Fri Aug 23 09:58:14 2013 -0400

    Document.vala: correct the type for copy_node

 gxml/Document.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gxml/Document.vala b/gxml/Document.vala
index 88790a0..55e1e47 100644
--- a/gxml/Document.vala
+++ b/gxml/Document.vala
@@ -740,7 +740,7 @@ namespace GXml {
                        return null;
                }
 
-               internal DomNode copy_node (DomNode foreign_node, bool deep = true) {
+               internal Node copy_node (Node foreign_node, bool deep = true) {
                        foreign_node.owner_document.sync_dirty_elements ();
                        Xml.Node *our_copy_xml = ((BackedNode)foreign_node).node->doc_copy (this.xmldoc, deep 
? 1 : 0);
                        // TODO: do we need to append this to this.new_nodes?  Do we need to append the 
result to this.nodes_to_free?  Test memory implications