You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: security.go
    path of file: ./repos/go-starter-kit/vendor/golang.org/x/sys/windows/svc
    
    the code of the file until where you have to start completion: // Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build windows

package svc


    
func allocSid(subAuth0 uint32) (*windows.SID, error) {
	var sid *windows.SID
	err := windows.AllocateAndInitializeSid(&windows.SECURITY_NT_AUTHORITY,
		1, subAuth0, 0, 0, 0, 0, 0, 0, 0, &sid)
	if err != nil {
		return nil, err
	}
	return sid, nil
}