imagemagick/encoder_tiff64_fuzzer: Use-of-uninitialized-value in ScaleAnyToQuantum

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5146497357185024 Project: imagemagick Fuzzer: libFuzzerimagemagickencodertiff64fuzzer Fuzz target binary: encodertiff64fuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type...