INN 2.5.1 release

[Julien ÉLIE]

Hi the Doctor,

> Also in the timecalf and tmehash , please be aware some older
> systems uses u_int instead of uint.

I see that we already use uint16_t & similar at various other places
in the code.

Do we need to do something else?
Do we have to add autoconf magic to define them when they are not present?

Incidentally, I see that uint is what should be used according
to the C99 standard.

-- 
Julien ÉLIE

« Je ne voudrais tout de même pas que Cléopâtre m'ait dans le nez ! » (César)