fix path.join undefined

ftpActions.go

@@ -3,6 +3,7 @@ package paxan
 import (
 	"io"
 	"os"
+	"path/filepath"
 	"time"
 
 	"github.com/jlaffaye/ftp"
@@ -34,7 +35,7 @@ func DownloadFTP(user string, password string, path string) error {
 		}
 		defer res.Close()
 
-		outFile, err := os.Create(path.join(path, file.Name))
+		outFile, err := os.Create(filepath.Join(path, file.Name))
 		if err != nil {
 			return err
 		}