jpeg2000dec: don't use deprecated PIX_FMT values
Merge commit '7c57a582a03fb473091a88737ab92b9f2a5bb87a'

* commit '7c57a582a03fb473091a88737ab92b9f2a5bb87a':
  jpeg2000dec: don't use deprecated PIX_FMT values

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Reduce probing score for flic animation files.

Fixes ticket #2567.