K 10 svn:author V 3 phk K 8 svn:date V 27 2004-09-10T20:49:30.000000Z K 7 svn:log V 248 Add two spare elements for planned but not yet implemented stuff related to device driver unloading. Adding these two now and MT5'ing them will allow us to preserve binary compatibility on RELENG_5 when these facilities are MFC'ed. MT5 Candiate. END