updating ffmpeg to 3.1.x in rawhide

[Sandro Mani]

On 27.07.2016 21:38, Julian Sikorski wrote:
> [...]
> http://lesloueizeh.com/belegdol/ffmpeg-3.1.1-1.fc25.src.rpm

Patch: https://smani.fedorapeople.org/ffmpeg_opj2.patch

Not sure why they insist on defining OPJ_STATIC, but we're definitely 
not statically linking openjpeg...

The reason for the build failure is that OPJ_STATIC makes all API 
symbols hidden:

#            define OPJ_API    __attribute__ ((visibility ("hidden")))


Best
Sandro