wrapuptime is changed on a reload, he still waits his former wrapuptime (instead of
the new wrapuptime). This reduces his "de facto" wrapuptime immediately to
the new value even if he has wrapuptime remaining from a previous call.
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5423 65c4cc65-6c06-0410-ace0-fbb531ad65f3