hide the definition of ECDSA_METHOD and ECDSA_DATA (and mutatis mutandis
for ecdh)
diff --git a/crypto/ecdsa/ecs_asn1.c b/crypto/ecdsa/ecs_asn1.c
index e9e1c2b..b295489 100644
--- a/crypto/ecdsa/ecs_asn1.c
+++ b/crypto/ecdsa/ecs_asn1.c
@@ -53,7 +53,7 @@
  *
  */
 
-#include "ecdsa.h"
+#include "ecs_locl.h"
 #include <openssl/err.h>
 #include <openssl/asn1t.h>