Fix dictionary string usage.

third_party/libxslt/libxslt/templates.c

Index: third_party/libxslt/libxslt/templates.c
===================================================================
--- third_party/libxslt/libxslt/templates.c	(revision 153534)
+++ third_party/libxslt/libxslt/templates.c	(working copy)
@@ -18,6 +18,7 @@
 #include <libxml/globals.h>
 #include <libxml/xmlerror.h>
 #include <libxml/tree.h>
+#include <libxml/dict.h>
 #include <libxml/xpathInternals.h>
 #include <libxml/parserInternals.h>
 #include "xslt.h"
@@ -572,7 +573,8 @@
 		}
 	    } else if ((ctxt->internalized) && (target != NULL) &&
 	               (target->doc != NULL) &&
-		       (target->doc->dict == ctxt->dict)) {
+		       (target->doc->dict == ctxt->dict) &&
+		       xmlDictOwns(ctxt->dict, value)) {
 		text->content = (xmlChar *) value;
 	    } else {
 		text->content = xmlStrdup(value);
@@ -757,7 +759,8 @@
 		}
 	    } else if ((ctxt->internalized) &&
 		(target->doc != NULL) &&
-		(target->doc->dict == ctxt->dict))
+		(target->doc->dict == ctxt->dict) &&
+		xmlDictOwns(ctxt->dict, value))
 	    {
 		text->content = (xmlChar *) value;
 	    } else {