Rename the "Reboot" option to "Exit", which reflects what it actually

does. The rc.local wrapper script will also soon grow an option to use the
live environment after installation, so an immediate reboot isn't even
necessarily implied.

usr.sbin/bsdinstall/scripts/auto

@@ -167,7 +167,7 @@ finalconfig() {
 		"Services" "Set daemons to run on startup" \
 		"Time Zone" "Set system timezone" \
 		"Shell" "Open a shell in the new system" \
-		"Reboot" "Apply configuration and reboot" 2>&1 1>&3)
+		"Exit" "Apply configuration and exit installer" 2>&1 1>&3)
 	exec 3>&-
 
 	case "$REVISIT" in