Do not relinquish the CPU if a RT job is not ready to sleep.
Do not relinquish the CPU if a RT job is not ready to sleep.

	* src/scheduler/scheduler.cc (resume_scheduler): Do not relinquish
	the CPU if there is still some work to do and we are a RT job.

aldebaran/libport,aldebaran/libport,aldebaran/libport,aldebaran/libport,aldebaran/libport