#3 Dereference windows shell link as if it were symbolic link.

[David Norris]

On Windows, see if we can use shell link as if it were
a symbolic link. This is what Cygwin does now.

Mental Note: A call to IShell::Resolve will find the
target of the shell link:
http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/reference/ifaces/ishelllink/ishelllink.asp