Make sure we get the definition of OPENSSL_NO_ECDH.

diff --git a/crypto/ecdh/ecdh.h b/crypto/ecdh/ecdh.h
index cc6d858d619214bf24dcc433e5c36c6b2815565c..db6fd487010d53ea134524c2ad9a2a10e6bcb850 100644 (file)
--- a/crypto/ecdh/ecdh.h
+++ b/crypto/ecdh/ecdh.h
@@ -69,6 +69,8 @@
 #ifndef HEADER_ECDH_H
 #define HEADER_ECDH_H
 
+#include <openssl/opensslconf.h>
+
 #ifdef OPENSSL_NO_ECDH
 #error ECDH is disabled.
 #endif