[Aarch64] Fix _lseek prototype

[Eric Blake]

On 10/1/18 4:35 PM, Christophe Lyon wrote:
> Hi,
> 
> While building newlib for Aarch64, I noticed a warning in _lseek. This
> small patch fixes the prototype.
> 

> +++ b/libgloss/aarch64/syscalls.c
> @@ -449,6 +449,7 @@ _swilseek (int fd, int ptr, int dir)
>       return -1;
>   }
>   
> +int
>   _lseek (int fd, int ptr, int dir)

Why int and not off_t?

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org