avcodec/tiff_common: add ff_tadd_bytes_metadata()

The le argument is passed so the function has the same prototype as the
other similar functions. It is otherwise unused

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/exif: print bytes and undefined types as scalar lists

This prevents odd characters from ending in the fate test

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Revert "fate: Force diff into text mode"

This should fix AIX and should no longer be needed

This reverts commit b78e75ebc9b03bea8f0c48da266ee6cc0fb8e22d.