Test commit; remove some spaces at EOL. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@273121 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/utility b/include/utility
index 27b81a0..d286e43 100644
--- a/include/utility
+++ b/include/utility
@@ -169,7 +169,7 @@
 template<class... T>
   using index_sequence_for = make_index_sequence<sizeof...(T)>;
 
-template<class T, class U=T> 
+template<class T, class U=T>
     T exchange(T& obj, U&& new_value);
 }  // std
 
@@ -817,7 +817,7 @@
 
 template<class... _Tp>
     using index_sequence_for = make_index_sequence<sizeof...(_Tp)>;
-  
+
 #endif  // _LIBCPP_STD_VER > 11
 
 #if _LIBCPP_STD_VER > 11
@@ -828,7 +828,7 @@
     _T1 __old_value = _VSTD::move(__obj);
     __obj = _VSTD::forward<_T2>(__new_value);
     return __old_value;
-}    
+}
 #endif  // _LIBCPP_STD_VER > 11
 
 _LIBCPP_END_NAMESPACE_STD