bugfix.  timer_thread needs to write to notify if it doesn't sleep.
bugfix.  timer_thread needs to write to notify if it doesn't sleep.


git-svn-id: ddc8cd1199829c18fa5932f18135ba8f687fc5aa@213 989093bb-e83e-0410-a25a-9184cbcad8d0

tprk77/lcm-tprk77,tprk77/lcm-tprk77,tprk77/lcm-tprk77,tprk77/lcm-tprk77,tprk77/lcm-tprk77,tprk77/lcm-tprk77,tprk77/lcm-tprk77