imagemagick/ping_mvg_fuzzer: Use-of-uninitialized-value in StringInfoToHexString

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5395141526290432 Project: imagemagick Fuzzer: libFuzzerimagemagickpingmvgfuzzer Fuzz target binary: pingmvgfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type:...