openssl: Explicitly include openssl/bn.h
[strongswan.git] / src / libstrongswan / plugins / openssl / openssl_diffie_hellman.c
index cac442f..49ec488 100644 (file)
@@ -18,6 +18,7 @@
 
 #ifndef OPENSSL_NO_DH
 
+#include <openssl/bn.h>
 #include <openssl/dh.h>
 
 #include "openssl_diffie_hellman.h"