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_errors/src/lock.rs

@@ -16,10 +16,10 @@ pub fn acquire_global_lock(name: &str) -> Box<dyn Any> {
     use std::ffi::CString;
     use std::io;
 
-    use windows::{
-        core::PCSTR,
-        Win32::Foundation::{CloseHandle, HANDLE, WAIT_ABANDONED, WAIT_OBJECT_0},
-        Win32::System::Threading::{CreateMutexA, ReleaseMutex, WaitForSingleObject, INFINITE},
+    use windows::core::PCSTR;
+    use windows::Win32::Foundation::{CloseHandle, HANDLE, WAIT_ABANDONED, WAIT_OBJECT_0};
+    use windows::Win32::System::Threading::{
+        CreateMutexA, ReleaseMutex, WaitForSingleObject, INFINITE,
     };
 
     struct Handle(HANDLE);