OSV-2020-1152 Heap-buffer-overflow in pcpp::tbp_my_own_strnlen

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22483 Crash type: Heap-buffer-overflow READ 1 Crash state: pcpp::tbpmyownstrnlen pcpp::HeaderField::HeaderField pcpp::TextBasedProtocolMessage::parseFields...