provisioner/salt-masterless: switch replace to that prior replace works

/cc @markpeek

provisioner/salt-masterless/provisioner.go

@@ -136,8 +136,8 @@ func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
 
 func UploadLocalDirectory(localDir string, remoteDir string, comm packer.Communicator, ui packer.Ui) (err error) {
 	visitPath := func(localPath string, f os.FileInfo, err error) (err2 error) {
-		localPath = strings.Replace(localPath, "\\", "/", -1)
 		localRelPath := strings.Replace(localPath, localDir, "", 1)
+		localRelPath = strings.Replace(localRelPath, "\\", "/", -1)
 		remotePath := fmt.Sprintf("%s%s", remoteDir, localRelPath)
 		if f.IsDir() && f.Name() == ".git" {
 			return filepath.SkipDir