timer: Better fix to the timer re-scheduling situation

As it turns out, the previous fix didn't cover the case of a
timer X being re-scheduled inside a timer call back expiring at
the same time as the previous X instance.

Written-by: Pablo Neira Ayuso <pablo@gnumonks.org>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
1 file changed