Add newlines

Author: lilasta

library/core/tests/panic.rs

@@ -1 +1 @@
-mod location;
+mod location;

library/core/tests/panic/location.rs

@@ -28,4 +28,4 @@ fn location_const_column() {
    const CALLER: &Location<'static> = Location::caller();
    const COLUMN: u32 = CALLER.column();
    assert_eq!(COLUMN, 39);
-}
+}