[BUILD] make ebtree headers multiple-include compatible
ebtree did not support being included multiple times.
diff --git a/include/common/eb32tree.h b/include/common/eb32tree.h
index 87c2f98..f0c7930 100644
--- a/include/common/eb32tree.h
+++ b/include/common/eb32tree.h
@@ -17,6 +17,9 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifndef _COMMON_EB32TREE_H
+#define _COMMON_EB32TREE_H
+
#include "ebtree.h"
@@ -511,3 +514,5 @@
return new;
}
+
+#endif /* _COMMON_EB32TREE_H */