openssl: Explicitly include openssl/bn.h
[strongswan.git] / src / libstrongswan / plugins / openssl / openssl_ec_diffie_hellman.c
index a1af500..11d6e8e 100644 (file)
@@ -17,6 +17,7 @@
 
 #ifndef OPENSSL_NO_EC
 
+#include <openssl/bn.h>
 #include <openssl/ec.h>
 #include <openssl/objects.h>
 #include <openssl/bn.h>