[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	08/02/23 10:50:39

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

Log message:
	fix warnings about unused