avfilter/af_amix: Don't needlessly reallocate table

Replace using ff_add_format() repeatedly by a single call to
ff_make_format_list(). (Right now this also fixes a memleak: If the
first ff_add_format() succeeds and a subsequent call fails, the list
leaks.)

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 27f35fd121e38b28daafb4f1ad47cf55b5e5ab71)

0 files changed, 0 insertions, 0 deletions