avcodec/truemotion2: Fix overflow in tm2_apply_deltas()
Fixes: signed integer overflow:
1077952576 +
1077952576 cannot be represented in type 'int'
Fixes: 7712/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-
5056281753681920
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit
79c6047c3668c639f717b3a7001a34dddba0ede2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>