libreoffice/htmlfuzzer: Bad-cast to SwTable from invalid vptr in HTMLTable::MakeTable

Project: git://anongit.freedesktop.org/libreoffice/core Detailed report: https://oss-fuzz.com/testcase?key=4587072460423168 Project: libreoffice Fuzzer: libFuzzerlibreofficehtmlfuzzer Fuzz target binary: htmlfuzzer Job Type: libfuzzerubsanlibreoffice Platform Id: linux Crash Type: Bad-cast Crash...