[meta.type.synop] Fix bad indentation. (#4164)

Author: Eelis

source/utilities.tex

@@ -16198,7 +16198,7 @@
       = is_nothrow_default_constructible<T>::value;
   template<class T>
     inline constexpr bool is_nothrow_copy_constructible_v
-    = is_nothrow_copy_constructible<T>::value;
+      = is_nothrow_copy_constructible<T>::value;
   template<class T>
     inline constexpr bool is_nothrow_move_constructible_v
       = is_nothrow_move_constructible<T>::value;