git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 79e30c1 avcodec/aacdec_tab: add side channels to ff_aac_channel_map
79e30c18e65d29d9222c5e3a188c62841bca3856