[libc++] Alphabetize and include-what-you-use. NFCI.
Differential Revision: https://reviews.llvm.org/D102781
NOKEYCHECK=True
GitOrigin-RevId: bfbd73f87d7b2c1140b43192cea6b7fbbfc35cd0
diff --git a/include/mutex b/include/mutex
index babb2b4..a23c213 100644
--- a/include/mutex
+++ b/include/mutex
@@ -188,14 +188,14 @@
#include <__config>
#include <__mutex_base>
+#include <__threading_support>
#include <cstdint>
#include <functional>
#include <memory>
#ifndef _LIBCPP_CXX03_LANG
-#include <tuple>
+# include <tuple>
#endif
#include <version>
-#include <__threading_support>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header