libarchive: Guard bcyrpt.h with HAVE_BCRYPT_H

Utilities/cmlibarchive/libarchive/archive_hmac_private.h

@@ -35,7 +35,7 @@
 
 typedef	CCHmacContext archive_hmac_sha1_ctx;
 
-#elif defined(_WIN32) && !defined(__CYGWIN__)
+#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
 #include <bcrypt.h>
 
 typedef struct {