imagemagick/encoder_k_fuzzer: Use-of-uninitialized-value in ConstantString

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5202761055469568 Project: imagemagick Fuzzer: libFuzzerimagemagickencoderkfuzzer Fuzz target binary: encoderkfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type:...