MFH: r533533

sysutils/py-salt: update 2019.2.3 -> 2019.2.4

• fix two CVE found in the Salt Master

PR: 246061
Submitted by: Christer Edwards <christer.edwards@gmail.com> (maintainer)
Relnotes: https://docs.saltstack.com/en/latest/topics/releases/2019.2.4.html
Approved by: portmgr (security blanket)