[jcifs] SmbFile.getParent() NullPointerException

[David Kaelbling]

> Remember that every valid SMB URL that refers to a file must have at least four slashes: two to 
> separate the protocol from the host, another to separate the host from the share, and one more 
> to separate the share from the file.  When the host, share, and file are all null, you get the seemingly 
> odd result.

Ah, that may be why the code is written that way!  Although getPath() needs to work for more than just file URLs, of course.

  -- David