Apply rustfmt

Reviewed By: zertosh, passy

Differential Revision: D37579214

fbshipit-source-id: 0e52bd2b27abbbde32f77b073d3ed5ef33f4d318

packer/src/error.rs

@@ -5,7 +5,8 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-use crate::types::{PackType, Platform};
+use crate::types::PackType;
+use crate::types::Platform;
 use std::fmt;
 use std::path::PathBuf;