sio.h: include opt.h for checking #ifndef's

This commit is contained in:
goldsimon 2016-07-29 08:01:41 +02:00
parent 90fba8773f
commit b7da649944

View File

@ -36,6 +36,7 @@
#define SIO_H
#include "lwip/arch.h"
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {