Fix formatting

Author: Mark-Simulacrum

library/core/src/num/saturating.rs

@@ -35,9 +35,7 @@ use crate::ops::{Sub, SubAssign};
 #[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default, Hash)]
 #[repr(transparent)]
 #[rustc_diagnostic_item = "Saturating"]
-pub struct Saturating<T>(
-    #[stable(feature = "saturating_int_impl", since = "1.74.0")] pub T,
-);
+pub struct Saturating<T>(#[stable(feature = "saturating_int_impl", since = "1.74.0")] pub T);
 
 #[stable(feature = "saturating_int_impl", since = "1.74.0")]
 impl<T: fmt::Debug> fmt::Debug for Saturating<T> {