[gn build] Port e2b15ec

Author: llvmgnsyncbot

llvm/utils/gn/secondary/libcxx/include/BUILD.gn

@@ -671,16 +671,16 @@ if (current_toolchain == default_toolchain) {
       "__thread/timed_backoff_policy.h",
       "__threading_support",
       "__tree",
-      "__tuple_dir/apply_cv.h",
-      "__tuple_dir/make_tuple_types.h",
-      "__tuple_dir/pair_like.h",
-      "__tuple_dir/sfinae_helpers.h",
-      "__tuple_dir/tuple_element.h",
-      "__tuple_dir/tuple_indices.h",
-      "__tuple_dir/tuple_like.h",
-      "__tuple_dir/tuple_like_ext.h",
-      "__tuple_dir/tuple_size.h",
-      "__tuple_dir/tuple_types.h",
+      "__tuple/apply_cv.h",
+      "__tuple/make_tuple_types.h",
+      "__tuple/pair_like.h",
+      "__tuple/sfinae_helpers.h",
+      "__tuple/tuple_element.h",
+      "__tuple/tuple_indices.h",
+      "__tuple/tuple_like.h",
+      "__tuple/tuple_like_ext.h",
+      "__tuple/tuple_size.h",
+      "__tuple/tuple_types.h",
       "__type_traits/add_const.h",
       "__type_traits/add_cv.h",
       "__type_traits/add_lvalue_reference.h",