imagemagick:encoder_mpc_fuzzer: Use-of-uninitialized-value in AcquireUniqueFileResource

Detailed Report: https://oss-fuzz.com/testcase?key=6751133677780992 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encodermpcfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: AcquireUniqueFileResource...