Patch: Fix PR/6652 on MinGW

[Tom Tromey]

>>>>> "Mohan" == Mohan Embar <gnustuff@thisiscool.com> writes:

Mohan> 2003-10-18  Mohan Embar  <gnustuff@thisiscool.com>
Mohan> 	PR libgcj/6652:
Mohan> 	* java/io/natFileWin32.cc (getCanonicalPath): Treat "" like ".".

This looks fine to me.  One note...

Mohan> +  const char* thepath = *cpath.buf() ? cpath.buf() : ".";
Mohan> +    // "" becomes "."
 
Put comments before the code, not after.

Tom