[libc++] NFC: Normalize `#endif //` comment indentation

GitOrigin-RevId: 4cd6ca102a94e1b64ba3f940cc26b4d7b2b82964
diff --git a/include/functional b/include/functional
index e80f7ae..62e9373 100644
--- a/include/functional
+++ b/include/functional
@@ -1652,7 +1652,7 @@
 #ifndef _LIBCPP_NO_RTTI
     virtual const void* target(const type_info&) const _NOEXCEPT = 0;
     virtual const std::type_info& target_type() const _NOEXCEPT = 0;
-#endif  // _LIBCPP_NO_RTTI
+#endif // _LIBCPP_NO_RTTI
 };
 
 // __func implements __base for a given functor type.
@@ -1689,7 +1689,7 @@
 #ifndef _LIBCPP_NO_RTTI
     virtual const void* target(const type_info&) const _NOEXCEPT;
     virtual const std::type_info& target_type() const _NOEXCEPT;
-#endif  // _LIBCPP_NO_RTTI
+#endif // _LIBCPP_NO_RTTI
 };
 
 template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
@@ -1755,7 +1755,7 @@
     return typeid(_Fp);
 }
 
-#endif  // _LIBCPP_NO_RTTI
+#endif // _LIBCPP_NO_RTTI
 
 // __value_func creates a value-type from a __func.
 
@@ -2325,10 +2325,10 @@
     virtual const std::type_info& target_type() const _NOEXCEPT {
         return typeid(__func::__block_type);
     }
-#endif  // _LIBCPP_NO_RTTI
+#endif // _LIBCPP_NO_RTTI
 };
 
-#endif  // _LIBCPP_HAS_EXTENSION_BLOCKS && !_LIBCPP_HAS_OBJC_ARC
+#endif // _LIBCPP_HAS_EXTENSION_BLOCKS && !_LIBCPP_HAS_OBJC_ARC
 
 }  // __function
 
@@ -2431,7 +2431,7 @@
     const std::type_info& target_type() const _NOEXCEPT;
     template <typename _Tp> _Tp* target() _NOEXCEPT;
     template <typename _Tp> const _Tp* target() const _NOEXCEPT;
-#endif  // _LIBCPP_NO_RTTI
+#endif // _LIBCPP_NO_RTTI
 };
 
 #ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
@@ -2590,7 +2590,7 @@
     return __f_.template target<_Tp>();
 }
 
-#endif  // _LIBCPP_NO_RTTI
+#endif // _LIBCPP_NO_RTTI
 
 template <class _Rp, class... _ArgTypes>
 inline _LIBCPP_INLINE_VISIBILITY
@@ -2982,7 +2982,7 @@
     return type(_VSTD::forward<_Fp>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...);
 }
 
-#endif  // _LIBCPP_CXX03_LANG
+#endif // _LIBCPP_CXX03_LANG
 
 #if _LIBCPP_STD_VER > 14
 
@@ -3224,4 +3224,4 @@
 
 _LIBCPP_END_NAMESPACE_STD
 
-#endif  // _LIBCPP_FUNCTIONAL
+#endif // _LIBCPP_FUNCTIONAL