* a-rttiev.adb
	(Set_Handler): Remove code from both of these that implements
	RM-D.15(15/2), because it causes a race condition and potential
	deadlock.
	(Process_Queued_Events): Add comment explaining "exception when others
	=> null". Add clarifying ".all", even though implicit .all is legal
	here.

From-SVN: r135648