OSV-2020-902 Index-out-of-bounds in QUnicodeTables::qGetProp

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24266 Crash type: Index-out-of-bounds Crash state: QUnicodeTables::qGetProp QString QUnicodeTables::convertCase QString::toLowerhelper...