MFH: r454915

net/wireshark: update to 2.4.2

Announcement: https://www.wireshark.org/lists/wireshark-announce/201710/msg00000.html
Add a few dependencies to make stage-qa happy.

PR: 223577
Approved by: marcus (maintainer-timeout)
Security: 4684a426-774d-4390-aa19-b8dd481c4c94

Approved by: ports-secteam (swills)