Mark fenv.h as a system header before the #include_next directive
This fixes a -Wgnu-include-next warning
Patch by dmauro.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@357267 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/fenv.h b/include/fenv.h
index 7cede4b..988cd9b 100644
--- a/include/fenv.h
+++ b/include/fenv.h
@@ -51,12 +51,13 @@
*/
#include <__config>
-#include_next <fenv.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
+#include_next <fenv.h>
+
#ifdef __cplusplus
extern "C++" {
