[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	08/04/07 02:02:22

Modified files:
	cm3/m3-sys/m3tests/src/: m3makefile 

Log message:
	fix for NT386 -- backward slash either needs to be escaped, or keep using the symbolic name SL at the next level down as done here; abstract out the name of /dev/null; turn on echoing (on Windows) so it is easier to tell what is going on