Reformat use declarations.

The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.

compiler/rustc_metadata/src/native_libs.rs

@@ -1,3 +1,5 @@
+use std::path::PathBuf;
+
 use rustc_ast::{NestedMetaItem, CRATE_NODE_ID};
 use rustc_attr as attr;
 use rustc_data_structures::fx::FxHashSet;
@@ -17,8 +19,6 @@ use rustc_target::spec::abi::Abi;
 
 use crate::errors;
 
-use std::path::PathBuf;
-
 pub fn find_native_static_library(name: &str, verbatim: bool, sess: &Session) -> PathBuf {
     let formats = if verbatim {
         vec![("".into(), "".into())]