git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 7c7ca34 avcodec/vc2enc_dwt: avoid signed overflow in the 5/3 and Haar DWT
7c7ca349bc016050814a28f9a769a2dccb769a92