Fixed clean rule of Makefile to avoid annoying error messages.
Steve Revill authored
Detail:
  Use the XWIPE macro rather than WIPE so that when the component
  is cleaned, we don't get loads of irritating errors from AMU if
  the object to be wiped doesn't exist.
Admin:
  No code change.


Version 0.14. Tagged as 'Common-0_14'
3e73fa00