[ccan] ccan and C standards newer than gnu89

[Rusty Russell]

Cody P Schafer <dev at codyps.com> writes:
> I while back, I submitted a module that depended on some c99 behavior
> (inline & extern inline) that isn't quite avalaible in gnu89, and as a
> result was rejected at the time.
>
> Now that gcc has switched it's default to gnu11 (which includes the
> behavior of inline & extern inline I needed), I'm wondering if modules
> that need non-gnu89 features might be submittable.

Hmm, maybe it is time?  It's best if it doesn't completely break older
compilers though...

Cheers,
Rusty.