fix sanitycheck.c to tell user to use 99 for RT prio
fix sanitycheck.c to tell user to use 99 for RT prio

git-svn-id: 9d792367086e53bac42cb25f723fe47762daf29a@4114 0c269be4-1314-0410-8aa9-9f06e86f4224

drobilla/jack1,adiknoth/tschack,ventosus/jack1,drobilla/jack1,drobilla/jack1,adiknoth/tschack,ventosus/jack1,ventosus/jack1,ventosus/jack1,drobilla/jack1