ouch a non-defined namespace could lead to a crash, fixed #61215 Daniel

* SAX.c: ouch a non-defined namespace could lead to a crash, fixed #61215
Daniel

ChangeLog

+Thu Oct  4 16:47:44 CEST 2001 Daniel Veillard <daniel@veillard.com>
+
+	* SAX.c: ouch a non-defined namespace could lead to a crash,
+	  fixed #61215
+
 Thu Oct  4 16:24:26 CEST 2001 Daniel Veillard <daniel@veillard.com>
 
 	* parserInternals.c: closed bug #61054

SAX.c

@@ -1139,7 +1139,7 @@ startElement(void *ctx, const xmlChar *fullname, const xmlChar **atts)
      * set the namespace node, making sure that if the default namspace
      * is unbound on a parent we simply kee it NULL
      */
-    if ((ns != NULL) && (ns->href[0] != 0))
+    if ((ns != NULL) && (ns->href != NULL) && (ns->href[0] != 0))
 	xmlSetNs(ret, ns);
 
     /*