removing a possible memleak, relates to #481

src/client/ua_client.c

@@ -204,7 +204,6 @@ static UA_StatusCode SecureChannelHandshake(UA_Client *client, UA_Boolean renew)
         UA_LOG_DEBUG(client->logger, UA_LOGCATEGORY_SECURECHANNEL, "Requesting to open a SecureChannel");
     }
 
-    UA_ByteString_init(&client->channel.clientNonce);
     UA_ByteString_copy(&client->channel.clientNonce, &opnSecRq.clientNonce);
     opnSecRq.securityMode = UA_MESSAGESECURITYMODE_NONE;