`get_target_property() called with non-existent target "SDL2::SDL2".`

[tom-seddon]

Sigh... what have I done now...!

https://ci.appveyor.com/project/tom-seddon/b2/build/job/065qjp18qumt3m2v

I'm certain this was working recently in my Linux VM, but I won't have tried the release script.

[tom-seddon]

Fixed by 773bf19