fixup! fs: improve error performance for fs.renameSync

Author: anonrig

src/node_file.cc

@@ -1572,7 +1572,7 @@ static void RenameSync(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
   Isolate* isolate = env->isolate();
 
-  CHECK_GE(args.Length(), 2);
+  CHECK_EQ(args.Length(), 2);
 
   BufferValue old_path(isolate, args[0]);
   CHECK_NOT_NULL(*old_path);