PATCH: Add x86-64 ffsl alias only if __LP64__ is defined

[Roland McGrath]

> When __LP64__ isn't defined, ffsll != ffsl.  This patch adds the check
> for __LP64__ when making ffsl alias.  OK to install?

Assuming it's true that all supported GCC versions defined __LP64__,
then it's OK with the nits below fixed.

> 	* sysdeps/x86_64/ffsll.c: Add ffsl alias only if __LP64__ is
> 	defined.

Say "(ffsl): Define alias only under [__LP64__]."

> -   Copyright (C) 1991,92,93,94,97,98,2001 Free Software Foundation, Inc.
> +   Copyright (C) 1991,92,93,94,97,98,2001,2012
> +   Free Software Foundation, Inc.

      Copyright (C) 1991-2012 Free Software Foundation, Inc.


Thanks,
Roland