[x264] Update to 0.148-20160924-86b7198 version

[Kevin Kofler]

Sérgio Basto wrote:
> I'd like point out 2 things, 1 - IMHO Package guidelines, is what it
> says, one guide and is *not* the supreme truth, that I have to follow
> strictly, 2 - I'm one of the official package maintainer of x264 [1] so
> I felt that I have more property / authorization .

Sorry, but the naming is misleading there (at least for us non-native 
English speakers – I cannot comment on how it sound to a US American). The 
Fedora Packaging "Guidelines" are actually not just informative guidelines, 
but policies that, for the most part, have to be followed strictly.

        Kevin Kofler