PR 14427: 10.14 tester wanted

[Christopher Chavez]

> Sent: Sunday, April 03, 2022 at 4:00 AM
> From: "Fred Wright"
> I verified that qt6-qtbase builds on 10.14.  I don't have an easy way to
> test it.

Thank you for testing. However the proposed change is specifically to allow building with the 10.14 SDK, and so what I wanted to be sure of is whether it actually worked with the 10.14 SDK; I expected there to already not be any problems building with the 10.15 SDK on macOS 10.14.