message: Remove stray newline from fmt::Display for MissingBase10.
  Introduced in
diff: @@ -1585,8 +1585,7 @@ impl fmt::Display for ErrorKind {
  write!(f, "Number does not correspond to a Unicode scalar \
  value: '{}'.", c),
  MissingBase10 =>
  - write!(f, "Missing maximum in counted
  -repetition operator."),
  + write!(f, "Missing maximum in counted repetition operator."),
  RepeaterExpectsExpr =>
  write!(f, "Missing expression for repetition operator."),
  RepeaterUnexpectedExpr(ref e) =>
  