libraw:libraw_nef_fuzzer: Use-of-uninitialized-value in LibRaw::getbithuff

Detailed Report: https://oss-fuzz.com/testcase?key=6677439681200128 Project: libraw Fuzzing Engine: libFuzzer Fuzz Target: librawneffuzzer Job Type: libfuzzermsanlibraw Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: LibRaw::getbithuff LibRaw::pentaxloadraw...