linux_sendfile()

["David P. Reese, Jr." <daver@xxxxxxxxxxxx>]

I've got a working version of linux_sendfile() in my latest changes to
emulation/linux/linux_socket.c.  It was a trivial addition after splitting
sendfile().  If there is interest, I will include it in my next patch.

-- 
   David P. Reese, Jr.                                     daver@xxxxxxxxxxxx
                                               http://www.gomerbud.com/daver/