Merge commit 'aba5b948'

* commit 'aba5b948':
  Add Apple Pixlet decoder
  libavutil: add av_mod_uintp2
  intmath: add faster clz support

This commit is a noop, see
0dd8a3d7
d13e521c
73651090Merged-by: James Almer <jamrial@gmail.com>