Another libio patch

[Ulrich Drepper]

hjl@lucon.org (H.J. Lu) writes:

> Please discard my previous libio patch. This patch should
> fix both glibc 2 and libc 5. Please let me know the result
> on libc 5.3.12 on linux/x86.

This looks much better.  Though

>  #ifdef weak_alias
>  weak_alias (_IO_vsprintf, vsprintf)
> +#else
> +#ifdef __ELF__
> +#pragma weak vsprintf = _IO_vsprintf
> +#endif
>  #endif

I don't think we should use the alias for other ELF systems (Solaris etc).
I think this should read

	#if defined __linux__ && defined __ELF__

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