git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at 69bdb05 avcodec/pngdec: bound decompressed zTXt/iCCP size (decompression-bomb guard)
69bdb05f36e0a66b2a8a799b1596db4c92e2cb4d