Put parenthesis at right location
#include "picotls.h"
#include "picoquic_internal.h"
#include "picotls/openssl.h"
-#if (!defined(_WINDOWS) || defined(_WINDOWS64) && !defined(PTLS_WITHOUT_FUSION)
+#if (!defined(_WINDOWS) || defined(_WINDOWS64)) && !defined(PTLS_WITHOUT_FUSION)
#include "picotls/fusion.h"
#endif
#include "tls_api.h"
