Remove wtmp

src/freedombone-logging

     sed -i 's|\*.\*;auth,authpriv.none.*|\*.\*;auth,authpriv.none      /dev/null|g' /etc/rsyslog.conf
     sed -i 's|#cron.\*|cron.\*|g' /etc/rsyslog.conf
     sed -i 's|cron.\*.*|cron.\*             /dev/null|g' /etc/rsyslog.conf
+    shred -zu /var/log/wtmp*
     shred -zu /var/log/debug*
     shred -zu /var/log/cron.*
     shred -zu /var/log/auth.*