[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	08/01/30 19:48:45

Modified files:
	cm3/m3-libs/m3core/src/unix/cygwin/: Upthread.i3 Upthread.i3.c 
	                                     Usignal.i3 

Log message:
	account for poor implementation choice in cygwin -- non-zero initialization
	yeah, it helps typechecking and such..