message: Remove unnecessary extern C function
diff: @@ -53,7 +53,6 @@ pub unsafe extern "C" fn relibc_start(sp: &'static Stack) -> ! {
  static __init_array_start: extern "C" fn();
  static __init_array_end: extern "C" fn();
  - fn pthread_init() -> c_int;
  fn _init();
  fn main(argc: isize, argv: *mut *mut c_char, envp: *mut *mut c_char) -> c_int;
  }
  