[Swan] warningsarefatal

[Paul Wouters]

On Mon, 11 Nov 2013, David McCullough wrote:

>> On Sat, 9 Nov 2013, D. Hugh Redelmeier wrote:
>>
>>> I don't see why it matters much.  Surely "fatal" would be fine and
>>> safer that "warn".
>>>
>>> By default, they are warnings.
>>>
>>> They are controlled by readwriteconf's -W flag (undocumented) and
>>> addconn's -W flags (documented).
>>>
>>> The reason I ask is that the mechanism is implemented in an awkward
>>> way but before I fix that, I'm wondering if deletion is best.
>>>
>>> Does anyone use the -W flag?
>>>
>>> Does anyone care if the default switches from warning to fatal?
>>
>> I'm fine with removing it and turning the "warnings" to "fatal".
>
> Perhaps I am just not a fatalistic, but I would disagree ;-) ;-)

It seemed both set the variable warningsarefatal, but nothing used it.
So I removed these.

Paul