Fix import formatting

Author: sudoBash418

src/symbolize/gimli/mmap_fake.rs

@@ -1,5 +1,5 @@
+use super::mystd::io::{Read, Seek, SeekFrom};
 use super::File;
-use super::{mystd::io::Read, mystd::io::Seek, mystd::io::SeekFrom};
 use alloc::vec::Vec;
 use core::ops::Deref;