dlplibs: Global-buffer-overflow in computeBMPDataOffset

Detailed report: https://oss-fuzz.com/testcase?key=5669948070297600 Project: dlplibs Fuzzer: libFuzzerdlplibsvsdfuzzer Job Type: libfuzzerasandlplibs Platform Id: linux Crash Type: Global-buffer-overflow READ 4 Crash Address: 0x00000096a278 Crash State: computeBMPDataOffset...