* Versions.def: Add libanl definition.
* shlig-versions: Add entry for libanl.
* resolv/Makefile (distribute): Add gai_misc.h and ga_test.c.
(routines): Add gai_sigqueue.
(extra-libs): Add libanl.
(libanl-routines): New variable.
Add rules to build libanl and ga_test.
* resolv/Versions [libc] (GLIBC_2.2.3): Add __gai_sigqueue.
[libanl]: New library.
* resolv/netdb.h: Add definitions for libanl.
* resolv/getaddrinfo_a.c: New file.
* resolv/gai_cancel.c: New file.
* resolv/gai_error.c: New file.
* resolv/gai_misc.c: New file.
* resolv/gai_misc.h: New file.
* resolv/gai_notify.c: New file.
* resolv/gai_suspend.c: New file.
* resolv/ga_test.c: New file.
* sysdeps/generic/gai_sigqueue.c: New file.
* sysdeps/unix/sysv/linux/gai_sigqueue.c: New file.
* sysdeps/generic/bits/siginfo.h: Allow __need_sigevent_t being defined
and provide only that definition.
* sysdeps/unix/sysv/linux/alpha/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/siginfo.h: Likewise.
* rt/aio_misc.c: Fix typos in comments.
* rt/lio_listio.c: Pretty printing. Little optimization in request
list handling.
* elf/rtld.c: Remove commented out code.