Add blank lines after module-level `//!` comments.

Most modules have such a blank line, but some don't. Inserting the blank
line makes it clearer that the `//!` comments are describing the entire
module, rather than the `use` declaration(s) that immediately follows.

1 files changed, 1 insertions, 0 deletions

diff --git a/library/panic_unwind/src/miri.rs b/library/panic_unwind/src/miri.rs
index 4d21e846010..695adadd59b 100644
--- a/library/panic_unwind/src/miri.rs
+++ b/library/panic_unwind/src/miri.rs
@@ -1,4 +1,5 @@
 //! Unwinding panics for Miri.
+
 use alloc::boxed::Box;
 use core::any::Any;