tree-test: Don't return restricted exit codes

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
base64-test: Remove posibility of returning restricted exit codes

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
dct-test: Remove possibility of returning a restricted exit code

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
fft-test: Remove possibility of returning restricted exit code

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
libavutil: x86: Add AVX2 capable CPU detection.

Patch based on x264's AVX2 detection

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
aacdec: Fix calls to avpriv_report_missing_feature().

It does not take log level as an argument.
fate: aac: Add test for AAC-ELD
mem: do not check for negative size

size_t is guaranteed to be unsigned

Signed-off-by: Anton Khirnov <anton@khirnov.net>
fft-test: add a missing #include

stdio.h needed for printf since 7177df90a043bd59e172843fc7cb9e767080ea12