Fix -Wempty-body warnings in system-specific code

[Andreas Schwab]

On Feb 18 2019, Joseph Myers <joseph@codesourcery.com> wrote:

> diff --git a/sysdeps/m68k/wcpcpy.c b/sysdeps/m68k/wcpcpy.c
> index a4bac08308..daeffc8f9b 100644
> --- a/sysdeps/m68k/wcpcpy.c
> +++ b/sysdeps/m68k/wcpcpy.c
> @@ -27,7 +27,8 @@ wchar_t *
>  __wcpcpy (wchar_t *dest, const wchar_t *src)
>  {
>    do
> -    ;
> +    {
> +    }
>    while ((*dest++ = *src++));

There is no point in using do..while here.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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