git version 2.4.0
Removing ffbuild/config.fate
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at f2bf7a2 avfilter: reject frames whose size or format changed after the graph was configured
f2bf7a2440d1e49023e4b3ed0e224a8806d388b8