git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 69c9f11 avcodec/aac/aacdec_usac: avoid signed overflow in decode_tsd
69c9f1158c153b2dc260aa724e5dc285286079b2