[SCM] libdvdcss/master: Update changelog.

[Fabian Greffrath]

Am 18.03.2012 15:26, schrieb Andres Mejia:
> And prepend all private symbols with LIBDVDCSS_PRIVATE.

Yes, sure, but that's tedious. I'd prefer to say "they are all private 
symbols, except for this and that one." ;)

  - Fabian