librawspeed: Use-of-uninitialized-value in rawspeed::RawImageDataU16::setWithLookUp

Project: https://github.com/darktable-org/rawspeed.git Detailed report: https://oss-fuzz.com/testcase?key=5025223185268736 Project: librawspeed Fuzzer: libFuzzerlibrawspeedTiffDecoderFuzzer-NefDecoder Fuzz target binary: TiffDecoderFuzzer-NefDecoder Job Type: libfuzzermsanlibrawspeed Platform Id:...