git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at fcf180d avcodec/aac/aacdec: dont allow ff_aac_output_configure() allocating a new frame if it has no frame
fcf180d9ea27b7dc29658c9dc3488ae6fac3ebd9