ffmpeg:ffmpeg_dem_MV_fuzzer: Use-of-uninitialized-value in parse_video_var

Project: https://git.ffmpeg.org/ffmpeg.git Detailed Report: https://oss-fuzz.com/testcase?key=6341913949569024 Project: ffmpeg Fuzzing Engine: libFuzzer Fuzz Target: ffmpegdemMVfuzzer Job Type: libfuzzermsanffmpeg Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash Stat...