Fix some mistakes

Author: zlfn

library/core/src/fmt/nofloat.rs

@@ -2,14 +2,15 @@ use crate::fmt::{Debug, Formatter, Result};
 
 macro_rules! floating {
     ($($ty:ident)*) => (
-    $(
-        #[stable(feature = "rust1", since = "1.0.0")]
-        impl Debug for $ty {
-            #[inline]
-            fn fmt(&self, _fmt: &mut Formatter<'_>) -> Result {
-                panic!("floating point fmt support is turned off");
+        $(
+            #[stable(feature = "rust1", since = "1.0.0")]
+            impl Debug for $ty {
+                #[inline]
+                fn fmt(&self, _fmt: &mut Formatter<'_>) -> Result {
+                    panic!("floating point fmt support is turned off");
+                }
             }
-        })*
+        )*
     )
 }
 

library/core/src/fmt/num.rs

@@ -169,7 +169,8 @@ integer! { i64, u64 }
 integer! { i128, u128 }
 
 macro_rules! impl_Debug {
-    ($($T:ident)*) => {$(
+    ($($T:ident)*) => (
+        $(
         #[stable(feature = "rust1", since = "1.0.0")]
         impl fmt::Debug for $T {
             #[inline]
@@ -182,8 +183,8 @@ macro_rules! impl_Debug {
                     fmt::Display::fmt(self, f)
                 }
             }
-        }
-    )*};
+        })*
+    )
 }
 
 // 2 digit decimal look up table