entab vs. gcc4 again

Marko Kreen wrote:

There was a patch applied against entab/halt.c that converts
it away from K&R varargs. But it's buggy, its makes halt()
use second argment as format string, not first.

Following patch fixes it, but also converts entab/entab.c away
from K&R.

That is from my own patch against entab for the same
problem, which got lost somewhere in -patches.

Patch applied with adjustment. Thanks. I still had the old version in
patches2 but applied this one.

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