* nscd/grpcache.c (cache_addgr): Use correct maximum for group ID

	length.  Patch by Ivan Gyurdiev <ivg2@cornell.edu>.

	* debug/confstr_chk.c: New file.
	* debug/getdomainname_chk.c: New file.
	* debug/getgroups_chk.c: New file.
	* debug/gethostname_chk.c: New file.
	* debug/getlogin_r_chk.c: New file.
	* debug/ttyname_r_chk.c: New file.
	* posix/bits/unistd.h: Add definitions for new debug versions.
	* debug/tst-chk1.c: Add tests for new functions.
	* debug/Versions: Export new functions.
	* debug/Makefile (routines): Add new files.

	* stdlib/bits/stdlib.h: Fix typo.

	* manual/Makefile (libc/index.html): Depend on dir-add.texi.