s/__OPENBSD__/__OpenBSD__/ in #ifdef (John Danks)
s/__OPENBSD__/__OpenBSD__/ in #ifdef (John Danks)

patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin