kernel32: Implement most of CopyFileEx

[Kevin Koltzau]

On Monday 07 May 2007 11:50 pm, Dan Kegel wrote:
> You don't have a conformance test, nor was there one for CopyFile.
> Maybe you should consider writing one, and making sure it passes
> both on Wine and Windows.

There is a test for CopyFile in kernel32/tests/file.c, if I can find some time 
I plan to flesh it out further, but since CopyFile just calls CopyFileEx it 
is at least partly testing this code.

> Say, what app is this for?

Romcenter - http://www.romcenter.com/