src: use ToLocal in node_os.cc

PR-URL: #33939
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

src/node_os.cc

@@ -268,10 +268,10 @@ static void GetUserInfo(const FunctionCallbackInfo<Value>& args) {
     Local<Object> options = args[0].As<Object>();
     MaybeLocal<Value> maybe_encoding = options->Get(env->context(),
                                                     env->encoding_string());
-    if (maybe_encoding.IsEmpty())
-      return;
+    Local<Value> encoding_opt;
+    if (!maybe_encoding.ToLocal(&encoding_opt))
+        return;
 
-    Local<Value> encoding_opt = maybe_encoding.ToLocalChecked();
     encoding = ParseEncoding(env->isolate(), encoding_opt, UTF8);
   } else {
     encoding = UTF8;