Update wnpa-sec-2016-12 through wnpa-sec-2016-18 with CVE assignment for
issues fixed in Wireshark 2.0.2
While here, fix bad copy/paste on upstream URL when the entry was made.
Security: CVE-2016-4415
Security: CVE-2016-4416
Security: CVE-2016-4417
Security: CVE-2016-4418
Security: CVE-2016-4419
Security: CVE-2016-4420
Security: CVE-2016-4421
Secuirty: https://vuxml.FreeBSD.org/freebsd/45117749-df55-11e5-b2bd-002590263bf5.html