fix typo in Linux branch
@@ -480,7 +480,7 @@ FILE * picoquic_file_open_ex(char const * file_name, char const * flags, int * l
#else
F = fopen(file_name, flags);
if (F == NULL && last_err != NULL) {
- *last_err = err_no;
+ *last_err = errno;
}
#endif
