[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	10/04/17 15:25:26

Modified files:
	cm3/m3-libs/m3core/src/win32/: m3makefile 

Log message:
	go ahead and use IsTargetNT and IsTargetCygwin (though really before long we should just include all the declarations for all platforms, they are all external and we just need to accept but ignore calling conventions on other targets)