openh264:decoder_fuzzer: Use-of-uninitialized-value in WelsDec::BaseMC

Project: https://github.com/cisco/openh264.git Detailed Report: https://oss-fuzz.com/testcase?key=5725341676732416 Project: openh264 Fuzzing Engine: libFuzzer Fuzz Target: decoderfuzzer Job Type: libfuzzermsanopenh264 Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash...