Move avpriv_find_pix_fmt() to utils.c

Fixes build with --disable-everything

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 82a90e7764ad04afd3679e4e4e89d85c7e4d4b53)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
3 files changed