handling. /etc/gai.conf can contain replacements for the label
and precedence table. Fix byte order of default label and
precedence table.
* posix/gai.conf: New file.
* posix/tst-rfc3484.c: Adjust for changes to getaddrinfo.c.
* posix/tst-rfc3484-2.c: Likewise.
* sysdeps/posix/getaddrinfo.c (fls): New function.
(gaih_inet): Don't use ffs, use fls. Convert address to native byte
order first.
* posix/Makefile (tests): Add tst-rfc3484.
* posix/tst-rfc3484.c: New file.