H.265 not compiling

[e30chris]

H.265/HEVC video encoder. See the [H.265 Encoding Guide](https://trac.ffmpeg.org/wiki/Encode/H.265) for more information and usage examples.

Requires ffmpeg to be configured with --enable-gpl --enable-libx265.

cd ~/ffmpeg_sources
git clone --branch stable --depth 2 https://bitbucket.org/multicoreware/x265_git
cd ~/ffmpeg_sources/x265_git/build/linux
cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX="$HOME/ffmpeg_build" -DENABLE_SHARED:bool=off ../../source
make
make install