graphicsmagick/coder_WBMP_fuzzer: Use-of-uninitialized-value in ReadWBMPImage

Project: http://hg.code.sf.net/p/graphicsmagick/code Detailed report: https://oss-fuzz.com/testcase?key=4905768575827968 Project: graphicsmagick Fuzzer: libFuzzergraphicsmagickcoderWBMPfuzzer Fuzz target binary: coderWBMPfuzzer Job Type: libfuzzermsangraphicsmagick Platform Id: linux Crash Type:...