Including avassert.h is unnecessary since commit
786be70e28fe739b8e49893fa13ae4652a68d1ea.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
internal.h is difficult to use due to circular dependancies
mem.h is a public header ff_* is not public
Alternative solutions probably are possible too
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>