kes Fix configure to do minimum Win32 configure so that make clean

     works.
kes  Tweak modify FD header to use %ld instead of %d.
kes  Remove hand scanning of FD header in SD and use Bacula's
     sscanf, which is now OS independent.
kes  Define new object (file/dir) begin and end Volume label records
     in SD.
kes  Use new method of defining XATTR #defines to avoid need for having
     them in config.h.in