From b1ca88f45976962504865a9c977dd625c381b237 Mon Sep 17 00:00:00 2001
From: Martin <gzlist@googlemail.com>
Date: Thu, 17 Sep 2009 11:09:22 +0200
Subject: [PATCH] Avoid an error in namespace generation

* libxslt/namespaces.c: fix xsltGetSpecialNamespace fallback with
  uninitialized prefix string
---
 libxslt/namespaces.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libxslt/namespaces.c b/libxslt/namespaces.c
index b147df8f..3e3891fb 100644
--- a/libxslt/namespaces.c
+++ b/libxslt/namespaces.c
@@ -584,6 +584,10 @@ declare_new_prefix:
 	xmlChar pref[30];
 	int counter = 1;
 
+	if (nsPrefix == NULL) {
+	    nsPrefix = "ns";
+	}
+
 	do {
 	    snprintf((char *) pref, 30, "%s_%d", nsPrefix, counter++);
 	    ns = xmlSearchNs(target->doc, target, BAD_CAST pref);