we do not need dtd->name

src/http/modules/ngx_http_xslt_filter_module.c

diff --git a/src/http/modules/ngx_http_xslt_filter_module.c b/src/http/modules/ngx_http_xslt_filter_module.c
index d7d8e40..75be553 100644
--- a/src/http/modules/ngx_http_xslt_filter_module.c
+++ b/src/http/modules/ngx_http_xslt_filter_module.c
@@ -511,8 +511,6 @@
         return;
     }
 
-    dtd->name = xmlStrdup(name);
-
     if (doc->children == NULL) {
         xmlAddChild((xmlNodePtr) doc, (xmlNodePtr) dtd);