rng: add include guard

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Adrien Béraud committed 2016-05-27 15:46:45 -04:00
1 parent bd08506146
commit c831ec8f16
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@@ -17,6 +17,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <random>
namespace dht {