[M3commit] CVS Update: cm3

[Antony Hosking]

CVSROOT:	/usr/cvs
Changes by:	hosking at birch.	11/01/16 20:58:37

Modified files:
	cm3/m3-libs/m3core/src/runtime/common/: RTCollector.m3 

Log message:
	No need to LockHeap/UnlockHeap at fork.
	Simply reset flags recording threads started.