dlplibs: Global-buffer-overflow in StarEncoding::read

Detailed report: https://oss-fuzz.com/testcase?key=6608338966020096 Project: dlplibs Fuzzer: libFuzzerdlplibssdwfuzzer Job Type: libfuzzerasandlplibs Platform Id: linux Crash Type: Global-buffer-overflow READ 4 Crash Address: 0x000000a9d1dc Crash State: StarEncoding::read StarEncoding::convert...