skia-ftz:skp: Use-of-uninitialized-value in format_message

Detailed Report: https://oss-fuzz.com/testcase?key=5122118441304064 Project: skia-ftz Fuzzing Engine: libFuzzer Fuzz Target: skp Job Type: libfuzzermsanskia-ftz Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: formatmessage outputmessage skjpegerrexit Sanitize...