message: Fixed "lib.rs" for `next` and `wait_next`
diff: @@ -341,7 +341,7 @@ fn now() -> f64 { ... }
  fn is_nan(v: f64) -> bool { ... }
  /// Blocks thread until message is received from channel.
  -fn next(channel: in) -> opt[any] { ... }
  +fn wait_next(channel: in) -> opt[any] { ... }
  /// Checks for message on channel.
  -fn try_next(channel: in) -> opt[any] { ... }
  +fn next(channel: in) -> opt[any] { ... }
  