bug#13409: [patch] make some error messages clearer

[Paul Eggert]

On 01/10/13 13:40, Jim Meyering wrote:
> -          error (0, errno, _("reading %s"), quote (src_name));
> +          error (0, errno, _("failed to read %s"), quote (src_name));

Yes, that's fine too.  It also avoids the gerund.

A terser possibility, which I've used elsewhere,
is something like this:

  error (0, errno, _("%s: read failed"), quotearg_colon (src_name));