[CoreMidi] Xcode 10 beta 3 update.#4453

Merged

mandel-macaque merged 2 commits intodotnet:xcode10from

mandel-macaque:coremidi-xcode10

Jul 18, 2018

Commits on Jul 17, 2018

[CoreMidi] Xcode 10 beta 3 update.
mandel-macaque
committed

Commits on Jul 18, 2018

Updates as per reviews.
mandel-macaque
committed