libc/posix unistd.h

[drepper@sourceware.cygnus.com]

CVSROOT:	/cvs/glibc
Module name:	libc
Changes by:	drepper@sources.redhat.com	2001-03-17 00:23:09

Modified files:
	posix          : unistd.h 

Log message:
	Change type of second parameter back to size_t as per upcoming XPG6.