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-rw-r--r--include/mpool.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/mpool.h b/include/mpool.h
index 622d2c9a377..9897742583a 100644
--- a/include/mpool.h
+++ b/include/mpool.h
@@ -35,6 +35,9 @@
* @(#)mpool.h 8.2 (Berkeley) 7/14/94
*/
+#ifndef _MPOOL_H_
+#define _MPOOL_H_
+
#include <sys/queue.h>
/*
@@ -99,3 +102,5 @@ int mpool_close __P((MPOOL *));
void mpool_stat __P((MPOOL *));
#endif
__END_DECLS
+
+#endif