cleanup both logs if there

releng/run_all_releng

@@ -63,7 +63,8 @@ fi
  printf "\n${SELF}: Stopped at ${DEND}.\n"
  
  if   [ "${1}" == "-cleanup" ]; then
-      rm -f "${CLOG}"
+      if [ -f "${CLOG}" ]; then rm -f "${CLOG}"; fi
+      if [ -f "${CLOG}".prev ]; then rm -f "${CLOG}".prev; fi      
  else
       E2=`date '+%s'`
       let ES="${E2} - ${E1}"