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-rw-r--r--contrib/libstdc++/include/c_std/std_cstddef.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/libstdc++/include/c_std/std_cstddef.h b/contrib/libstdc++/include/c_std/std_cstddef.h
index 7a740afb39817..4fa82c6aa9b46 100644
--- a/contrib/libstdc++/include/c_std/std_cstddef.h
+++ b/contrib/libstdc++/include/c_std/std_cstddef.h
@@ -40,14 +40,14 @@
* contained in the namespace @c std.
*/
-#ifndef _CPP_CSTDDEF
-#define _CPP_CSTDDEF 1
+#ifndef _GLIBCXX_CSTDDEF
+#define _GLIBCXX_CSTDDEF 1
#pragma GCC system_header
#include <stddef.h>
-namespace std
+namespace std
{
using ::ptrdiff_t;
using ::size_t;