Fixing whitespace problems

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/tuple b/include/tuple
index f7ad060..492b254 100644
--- a/include/tuple
+++ b/include/tuple
@@ -392,7 +392,7 @@
              >
         __tuple_impl(allocator_arg_t, const _Alloc& __a, _Tuple&& __t)
             : __tuple_leaf<_Indx, _Tp>(__uses_alloc_ctor<_Tp, _Alloc, typename tuple_element<_Indx,
-                                       typename __make_tuple_types<_Tuple>::type>::type>(), __a, 
+                                       typename __make_tuple_types<_Tuple>::type>::type>(), __a,
                                        _STD::forward<typename tuple_element<_Indx,
                                        typename __make_tuple_types<_Tuple>::type>::type>(_STD::get<_Indx>(__t)))...
             {}
@@ -798,7 +798,7 @@
 {
 }
 
-#endif
+#endif  // _LIBCPP_HAS_NO_VARIADICS
 
 _LIBCPP_END_NAMESPACE_STD