libc/conform/data unistd.h-data

[drepper@sourceware.cygnus.com]

CVSROOT:	/cvs/glibc
Module name:	libc
Changes by:	drepper@sources.redhat.com	2001-01-25 11:13:15

Modified files:
	conform/data   : unistd.h-data 

Log message:
	Use optional-constant wherever appropriate.