rng: add missing header

5823e98c · Adrien Béraud · 3c45e199 · 5823e98c
Commit 5823e98c authored 8 years ago by Adrien Béraud
--- a/include/opendht/rng.h
+++ b/include/opendht/rng.h
@@ -21,6 +21,7 @@

 #include <random>
 #include <algorithm>
+#include <functional>

 namespace dht {
 namespace crypto {