Fix handling unknown FileType in Rust client (#1029)
Fix handling unknown FileType in Rust client (#1029)

Summary:
Fixes https://github.com/facebook/watchman/issues/911

Pull Request resolved: https://github.com/facebook/watchman/pull/1029

Reviewed By: fanzeyi

Differential Revision: D37137717

Pulled By: genevievehelsel

fbshipit-source-id: a00cad4293d47c3b70a8573c4563362468cbb64a

facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman