MFH: r512858

security/suricata: Update to 4.1.5

PR: 240793
Submitted by: Franco Fichtner <franco@opnsense.org> (maintainer)
Security: CVE-2019-16410 CVE-2019-16411
Sponsored by: Rubicon Communications, LLC (Netgate)
Approved by: ports-secteam (miwi)