#4 FTPException when changing into an empty FTP directory

[Michael Hopf]

If you change into an empty directory, you will get an FTPException.

Scenario:
1. Create directory /an/absolute/one which contain no files
2. Used function: client.changeDirectory("/an/absolute/one");
3. K.O. -> FTPException: No files found

Used environment:
Windows XP x64
Tomcat 6.0.29
ftp4j version 1.5.1