Merge commit '798845ce7e5b7fdd17c7269c5d267fb487d9c46f'

* commit '798845ce7e5b7fdd17c7269c5d267fb487d9c46f':
  testprogs: Add missing libm.h includes

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

diff --cc libavcodec/iirfilter-test.c
Simple merge

diff --cc libavutil/eval-test.c
Simple merge