[vala] libxml-2.0: add xmlSearchNs and xmlSearchNsByHref

[Evan Nemerson <evann src gnome org>]

commit 2e9bd78aac695eef074a977f450c14fcc303a0ae
Author: Dan Callaghan <djc djc id au>
Date:   Sat Jan 19 19:31:15 2013 +1000

    libxml-2.0: add xmlSearchNs and xmlSearchNsByHref
    
    Fixes bug 692061.

 vapi/libxml-2.0.vapi |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/vapi/libxml-2.0.vapi b/vapi/libxml-2.0.vapi
index 43b580b..f762c66 100644
--- a/vapi/libxml-2.0.vapi
+++ b/vapi/libxml-2.0.vapi
@@ -448,6 +448,12 @@ namespace Xml {
 
 		[CCode (cname = "xmlStringLenGetNodeList")]
 		public Node* string_len_get_node_list (string str, int len);
+
+		[CCode (cname = "xmlSearchNs")]
+		public Ns* search_ns(Node* node, string? prefix);
+
+		[CCode (cname = "xmlSearchNsByHref")]
+		public Ns* search_ns_by_href(Node* node, string? href);
 	}
 
 	[Compact]