git version 2.4.0
Removing ffbuild/config.log
From https://git.ffmpeg.org/ffmpeg
 * branch            master     -> FETCH_HEAD
HEAD is now at a72e01b avcodec/ppc/vc1dsp_altivec: Don't read too much data
a72e01b4ec762fe00eac82648ba8d850fdbba64d