[libxml2] Cast encoding name to char pointer to match arg type

[Daniel Veillard <veillard src gnome org>]

commit d4a5d98139fb999e04ea962cf500f6e1e2f281ac
Author: Nikolay Sivov <nsivov codeweavers com>
Date:   Tue Apr 30 17:45:36 2013 +0400

    Cast encoding name to char pointer to match arg type

 parser.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/parser.c b/parser.c
index b9df6d8..1d478c3 100644
--- a/parser.c
+++ b/parser.c
@@ -13607,7 +13607,7 @@ xmlParseInNodeContext(xmlNodePtr node, const char *data, int datalen,
            xmlFree((xmlChar *) ctxt->encoding);
         ctxt->encoding = xmlStrdup((const xmlChar *) doc->encoding);
 
-        hdlr = xmlFindCharEncodingHandler(doc->encoding);
+        hdlr = xmlFindCharEncodingHandler((const char *) doc->encoding);
         if (hdlr != NULL) {
             xmlSwitchToEncoding(ctxt, hdlr);
        } else {