[vala] libxml-2.0: add Buffer

[Evan Nemerson <evann src gnome org>]

commit 5fcabbfa135ae9528a6a5d463ab1eb1e04fac49e
Author: Richard Schwarting <aquarichy gmail com>
Date:   Fri Feb 8 00:59:15 2013 -0800

    libxml-2.0: add Buffer
    
    Fixes bug 677355.

 vapi/libxml-2.0.vapi |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/vapi/libxml-2.0.vapi b/vapi/libxml-2.0.vapi
index e0f5ef6..92b671c 100644
--- a/vapi/libxml-2.0.vapi
+++ b/vapi/libxml-2.0.vapi
@@ -336,6 +336,19 @@ namespace Xml {
 	}
 
 	[Compact]
+	[CCode (cname = "xmlBuffer", free_function = "xmlBufferFree", cheader_filename = "libxml/tree.h")]
+	public class Buffer {
+		[CCode (cname = "xmlBufferCreate")]
+		public Buffer ();
+
+		[CCode (cname = "xmlBufferContent")]
+		public unowned string content ();
+
+		[CCode (cname = "xmlNodeDump")]
+		public int node_dump (Xml.Doc *doc, Xml.Node *cur, int level, int format);
+	}
+
+	[Compact]
 	[CCode (cname = "xmlDoc", free_function = "xmlFreeDoc", cheader_filename = "libxml/tree.h,libxml/parser.h")]
 	public class Doc {
 		public ElementType type;