[misc] run cargo fmt

src/sgp4_sys.rs

@@ -4,8 +4,8 @@
 //! rely heavily on `unsafe` code, and it is recommended to instead use the other, high level
 //! bindings provided by the `sgp4` crate.
 
-use std::os::raw::{c_char, c_double, c_int, c_long};
 use std::ffi::{CString, NulError};
+use std::os::raw::{c_char, c_double, c_int, c_long};
 
 use chrono::prelude::*;
 use chrono::DateTime;