Resolve unnecessary_semicolon pedantic clippy lint

    warning: unnecessary semicolon
       --> src/parse.rs:860:10
        |
    860 |         };
        |          ^ help: remove
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon
        = note: `-W clippy::unnecessary-semicolon` implied by `-W clippy::pedantic`
        = help: to override `-W clippy::pedantic` add `#[allow(clippy::unnecessary_semicolon)]`

Author: dtolnay

src/parse.rs

@@ -857,7 +857,7 @@ fn digits(mut input: Cursor) -> Result<Cursor, Reject> {
                 continue;
             }
             _ => break,
-        };
+        }
         len += 1;
         empty = false;
     }