9231 nightly should create a log/latest/ symlink

*** 1021,1031 ****
  function logshuffle {
          LLOG="$ATLOG/log.`date '+%F.%H:%M'`"
          if [ -f $LLOG -o -d $LLOG ]; then
                  LLOG=$LLOG.$$
          fi
!         mkdir $LLOG
          export LLOG
  
          if [ "$build_ok" = "y" ]; then
                  mv $ATLOG/proto_list_${MACH} $LLOG
  
--- 1021,1033 ----
  function logshuffle {
          LLOG="$ATLOG/log.`date '+%F.%H:%M'`"
          if [ -f $LLOG -o -d $LLOG ]; then
                  LLOG=$LLOG.$$
          fi
! 
!         rm -f "$ATLOG/latest" 2>/dev/null
!         mkdir -p $LLOG
          export LLOG
  
          if [ "$build_ok" = "y" ]; then
                  mv $ATLOG/proto_list_${MACH} $LLOG
  
*** 1103,1112 ****
--- 1105,1116 ----
                  staffer cp ${LLOG}/mail_msg $PARENT_WS/usr/src/mail_msg-${MACH}
                  staffer cp $LOGFILE $PARENT_WS/usr/src/nightly-${MACH}.log
          fi
  
          mv $LOGFILE $LLOG
+ 
+         ln -s "$LLOG" "$ATLOG/latest"
  }
  
  #
  #       Remove the locks and temporary files on any exit
  #