ENGINE_load_private_key takes four arguments since OpenSSL-0.9.7

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4655 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/openssl/ossl_engine.c

@@ -203,7 +203,7 @@ ossl_engine_load_privkey(int argc, VALUE *argv, VALUE self)
     sid = StringValuePtr(id);
     sdata = NIL_P(data) ? NULL : StringValuePtr(data);
     GetEngine(self, e);
-#if OPENSSL_VERSION_NUMBER < 0x0090702fL
+#if OPENSSL_VERSION_NUMBER < 0x00907000L
     pkey = ENGINE_load_private_key(e, sid, sdata);
 #else
     pkey = ENGINE_load_private_key(e, sid, NULL, sdata);