[libxslt] Crash compiling stylesheet with DTD

[Daniel Veillard <veillard src gnome org>]

commit 7089a62b8f133b42a2981cf1f920a8b3fe9a8caa
Author: Martin <gzlist googlemail com>
Date:   Wed Sep 16 19:02:16 2009 +0200

    Crash compiling stylesheet with DTD
    
    * libxslt/xslt.c: when a stylesheet embbeds a DTD the compilation
      process could get seriously wrong

 libxslt/xslt.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/libxslt/xslt.c b/libxslt/xslt.c
index 00f264f..c289a9f 100644
--- a/libxslt/xslt.c
+++ b/libxslt/xslt.c
@@ -4940,13 +4940,14 @@ xsltParseTemplateContent(xsltStylesheetPtr style, xmlNodePtr templ) {
 	     * okay this is an extension element compile it too
 	     */
 	    xsltStylePreCompute(style, cur);
-	} else {
+	}
+	else if (cur->type == XML_ELEMENT_NODE)
+	{
 	    /*
 	     * This is an element which will be output as part of the
 	     * template exectution, precompile AVT if found.
 	     */
-	    if ((cur->ns == NULL) && (style->defaultAlias != NULL) &&
-	    		(cur->type == XML_ELEMENT_NODE)) {
+	    if ((cur->ns == NULL) && (style->defaultAlias != NULL)) {
 		cur->ns = xmlSearchNsByHref(cur->doc, cur,
 			style->defaultAlias);
 	    }