[x265] Next steps on my road map

[Xinyue Lu]

Just wanna make a correction here.

L-SMASH library is actually under ISC License a.k.a OpenBSD License.

Sorry if I confused anyone.

> 4. L-Smash MP4 Muxer
> 
> The original authors are:
> Laurent Aimar <fenrir at via.ecp.fr>
> Loren Merritt <lorenm at u.washington.edu>
> Yusuke Nakamura <muken.the.vfrmaniac at gmail.com>
> Takashi Hirata <silverfilain at gmail.com>
> golgol7777 <golgol7777 at gmail.com>
> 
> And liblsmash is GPL.