imagemagick:encoder_wpg_fuzzer: Use-of-uninitialized-value in WPGAddRLEByte

Project: https://github.com/imagemagick/imagemagick.git Detailed Report: https://oss-fuzz.com/testcase?key=5490519219503104 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderwpgfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value Cra...