server: Add a call for retrieving the image file name of a process.

[Alexandre Julliard]

Robert Shearman <rob at codeweavers.com> writes:

> get_dll_info doesn't appear to be suitable for this purpose. We don't
> know what the base address of the EXE is and the call doesn't return
> the required size for the filename.

Well, you have to extend it a bit to support that, but it's better than
adding a new request.

-- 
Alexandre Julliard
julliard at winehq.org