keystone/fuzz_asm_mips64be: Use-of-uninitialized-value in adjustFixupValue

Detailed report: https://oss-fuzz.com/testcase?key=5680137981394944 Project: keystone Fuzzer: libFuzzerkeystonefuzzasmmips64be Fuzz target binary: fuzzasmmips64be Job Type: libfuzzermsankeystone Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: adjustFixupValue...