Work around lack of ngx_table_elt_t.next

src/http_module.cpp

@@ -251,7 +251,7 @@ ngx_int_t setHeader(ngx_http_request_t* r, StrView name, StrView value)
         header->hash = hash;
         header->key = toNgxStr(name);
         header->lowcase_key = header->key.data;
-        header->next = NULL;
+        //header->next = NULL;
     }
 
     header->value = toNgxStr(value);