[vala] libxml bindings: Improve coverage

[Adrien Bustany <abustany src gnome org>]

commit 5ea9ebff4dde79e296182a5a36f258ca59e30b24
Author: Adrien Bustany <abustany gnome org>
Date:   Sun Feb 14 17:25:00 2010 -0300

    libxml bindings: Improve coverage
    
    This commit adds the following functions:
    - xmlNextElementSibling
    - xmlFirstElementChild
    - xmlChildElementCount

 vapi/libxml-2.0.vapi |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/vapi/libxml-2.0.vapi b/vapi/libxml-2.0.vapi
index 75ec461..4c33c3c 100644
--- a/vapi/libxml-2.0.vapi
+++ b/vapi/libxml-2.0.vapi
@@ -765,6 +765,15 @@ namespace Xml {
 
 		[CCode (cname = "xmlUnsetProp")]
 		public int unset_prop (string name);
+
+		[CCode (cname = "xmlNextElementSibling")]
+		public Node* next_element_sibling ();
+
+		[CCode (cname = "xmlFirstElementChild")]
+		public Node* first_element_child ();
+
+		[CCode (cname = "xmlChildElementCount")]
+		public ulong child_element_count ();
 	}
 
 	[Compact]