Update last_cb_run after we call the cb.
Update last_cb_run after we call the cb.

Makes sure we don't fall into cascading calls to the cb
if it takes longer to complete then the interval set.

bonifaido/kore,sinemetu1/kore,jorisvink/kore,bonifaido/kore,hhua/kore,korusdipl/kore,zhcy/kore,bonifaido/kore,hhua/kore,jorisvink/kore,hhua/kore,fourdollars/kore