opencv:imread_fuzzer: Use-of-uninitialized-value in Imf_opencv::fromHalfZigZag_scalar

Detailed Report: https://oss-fuzz.com/testcase?key=6274099420332032 Project: opencv Fuzzing Engine: libFuzzer Fuzz Target: imreadfuzzer Job Type: libfuzzermsanopencv Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: Imfopencv::fromHalfZigZagscalar...