os: update include header

redchenjs · redchenjs · commit 56406c35daa7 · 2020-11-08T15:18:37.000+08:00
diff --git a/main/src/core/os.c b/main/src/core/os.c
@@ -12,6 +12,7 @@
 #include "esp_sleep.h"
 #include "esp_smartconfig.h"
 
+#include "freertos/FreeRTOS.h"
 #include "freertos/event_groups.h"
 
 #include "core/os.h"
