[libxml2] Add exception for new W3C PI xml-model

[Daniel Veillard <veillard src gnome org>]

commit 4c4653e587838a2cc78ddc03cb77749198f12c6b
Author: Daniel Veillard <veillard redhat com>
Date:   Sun Jun 5 11:29:29 2011 +0800

    Add exception for new W3C PI xml-model

 parser.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/parser.c b/parser.c
index 02a1877..826284c 100644
--- a/parser.c
+++ b/parser.c
@@ -197,6 +197,7 @@ unsigned int xmlParserMaxDepth = 256;
 
 static const char *xmlW3CPIs[] = {
     "xml-stylesheet",
+    "xml-model",
     NULL
 };