[libxml2] elfgcchack for buf module

[Daniel Veillard <veillard src gnome org>]

commit 2ff9284325d64d01ac0245ae266ef170c05f0e50
Author: Roumen Petrov <bugtrack roumenpetrov info>
Date:   Wed Sep 12 01:32:11 2012 +0300

    elfgcchack for buf module

 buf.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/buf.c b/buf.c
index fa0c3f6..d1756c4 100644
--- a/buf.c
+++ b/buf.c
@@ -1299,3 +1299,6 @@ xmlBufSetInputBaseCur(xmlBufPtr buf, xmlParserInputPtr input,
     input->end = &buf->content[buf->use];
     return(0);
 }
+
+#define bottom_buf
+#include "elfgcchack.h"