[master] 3ce0d377e ws functions are not part of vrt, so mark them

[Dridi Boukelmoune]

On Wed, Apr 10, 2019 at 8:59 AM Nils Goroll <nils.goroll at uplex.de> wrote:
>
> I totally agree. Anything which basically all vmods need should be in vrt.h
>
> @phk ok to move WS_* to vrt.h ?

And in my last sentence I meant the other way around:

> Too much complexity for $ABI vrt (not strict) makes it unusable.

Dridi