OSV-2024-812 Use-of-uninitialized-value in pcpp::PcapFileWriterDevice::writePacket

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=68839 Crash type: Use-of-uninitialized-value Crash state: pcpp::PcapFileWriterDevice::writePacket FuzzWriter.cpp...