Merge commit 'ffb9b7a6bab6c6bfd3dd9a7c32e3724209824999'

* commit 'ffb9b7a6bab6c6bfd3dd9a7c32e3724209824999':
  libfdk-aac: Consistently use a proper version check macro for detecting features

Merged-by: James Almer <jamrial@gmail.com>

diff --cc libavcodec/libfdk-aacdec.c
Simple merge

diff --cc libavcodec/libfdk-aacenc.c
Simple merge