grok:grk_decompress_fuzzer: Use-of-uninitialized-value in grk::mct::decompress_irrev

Detailed Report: https://oss-fuzz.com/testcase?key=4742584414765056 Project: grok Fuzzing Engine: libFuzzer Fuzz Target: grkdecompressfuzzer Job Type: libfuzzermsangrok Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: grk::mct::decompressirrev...