[SCM] ffmpeg/jessie: Disable AVX optimization

[Andreas Cadhalpun]

Hi Bálint,

On 10.11.2016 09:57, Bálint Réczey wrote:
> I guess there is a better way of fixing that upstream.

It is already fixed in nasm in unstable.
For jessie-backports you could either backport nasm or simply
switch back to yasm. (yasm used to be better, but isn't actively
developed anymore, while nasm improved recently.)

Best regards,
Andreas