chore: x fmt

Author: chorman0773

Diff for: core/src/num/int_macros.rs

@@ -1452,7 +1452,7 @@ macro_rules! int_impl {
         #[doc = concat!("assert_eq!(0x10", stringify!($SelfT), ".unbounded_shl(4), 0x1);")]
         #[doc = concat!("assert_eq!(0x10", stringify!($SelfT), ".unbounded_shr(129), 0);")]
         #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MIN.unbounded_shr(129), -1);")]
-        /// ```  
+        /// ```
         #[unstable(feature = "unbounded_shifts", issue = "129375")]
         #[rustc_allow_const_fn_unstable(unchecked_shifts)]
         #[must_use = "this returns the result of the operation, \