ppp chat scripts fix

[Nick Garnett]

Øyvind Harboe <oyvind.harboe@zylin.com> writes:

> A ppp chat script did not return success when it ran to completion.

Hmmm, it looks like at some point I was trying to decide whether this
function should return true/false or 0=success/!0=fail and left it
somewhere in the middle.

> 
> I also changed cyg_ppp_chat_success to be a local variable as I could
> see no reason why it should be a static variable.
>

This is probably an hangover from an expectation that some of the
called functions might need to change this. Hence the test in the loop
condition.

I've checked in a slightly munged version of your patch (attached),
and added a paragraph to the documentation.

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-- 
Nick Garnett                    eCos Kernel Architect
http://www.ecoscentric.com      The eCos and RedBoot experts