Sorry, I messed up the attachment

```
--- usr.sbin/sysupgrade/sysupgrade.sh
+++ usr.sbin/sysupgrade/sysupgrade.sh
@@ -220,7 +220,7 @@ Directory does not contain SHA256.sig. Continue withou
 __EOT

 if ! ${KEEP}; then
-	CLEAN=$(echo SHA256 ${SETS} | sed -e 's/ /,/g')
+	CLEAN=$(echo SHA256 BUILDINFO ${SETS} | sed -e 's/ /,/g')
 	cat <<__EOT > /etc/rc.firsttime
 rm -f ${SETSDIR}/{${CLEAN}}
 __EOT
```