net-mgmt/yaf: 2.8.1 -> 2.8.4

• Fixes a bug in decoding specific TCP Options headers.
• Fix application labeling bug introduced in 2.8.0 which incorrectly labels particular REGEX labels

PR: 209021
Submitted by: Chris Inacio <nacho319+freebsdZilla@gmail.com>
Approved by: dikshie@sfc.wide.ad.jp (maintainer timeout)