[libgeexml] Add clear method to element class

[Roberto Majadas <telemaco src gnome org>]

commit 6d19298f682ff1e80c91c75552f10b92ee7742de
Author: Roberto Majadas <roberto majadas openshine com>
Date:   Sun Jul 5 18:17:40 2009 +0200

    Add clear method to element class

 geexml/ElementTree.vala |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/geexml/ElementTree.vala b/geexml/ElementTree.vala
index f9c4801..153881f 100644
--- a/geexml/ElementTree.vala
+++ b/geexml/ElementTree.vala
@@ -227,6 +227,13 @@ namespace Gee.XmlEtree {
 		public void append( Element e ) {
 			this.node->add_child( e.node );
 		}
+		public void clear () {
+			Xml.Node* new_node;
+			
+			new_node = new Xml.Node( null, this.tag );
+			this.node = this.node->replace( new_node ) ;
+			
+		}
 		
 		public void set_attrib( string attr, string value ) {
 			if ( this.node != null ){