imagemagick:encoder_heic_fuzzer: Use-of-uninitialized-value in void intra_prediction_angular<unsigned char>

Detailed Report: https://oss-fuzz.com/testcase?key=6704097009991680 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderheicfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: void intrapredictionangular vo...