imagemagick/encoder_pnm_fuzzer: Use-of-uninitialized-value in IsPixelEquivalent

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=4867083574706176 Project: imagemagick Fuzzer: libFuzzerimagemagickencoderpnmfuzzer Fuzz target binary: encoderpnmfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type:...