imagemagick:encoder_webp_fuzzer: Use-of-uninitialized-value in WriteSingleWEBPPicture

Project: https://github.com/imagemagick/imagemagick.git Detailed Report: https://oss-fuzz.com/testcase?key=4843700500103168 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderwebpfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value...