doc: fix _construct example params order

PR-URL: #35790
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api/stream.md

@@ -2316,7 +2316,7 @@ class ReadStream extends Readable {
     this.fd = null;
   }
   _construct(callback) {
-    fs.open(this.filename, (fd, err) => {
+    fs.open(this.filename, (err, fd) => {
       if (err) {
         callback(err);
       } else {