Fix header deprecation

me-no-dev · Raienryu97 · commit a5d8e24deaa6 · 2017-09-12T16:29:48.000+05:30
diff --git a/cores/esp32/Esp.cpp b/cores/esp32/Esp.cpp
@@ -20,7 +20,7 @@
 #include "Arduino.h"
 #include "Esp.h"
 #include "rom/spi_flash.h"
-#include "esp_deep_sleep.h"
+#include "esp_sleep.h"
 #include "esp_spi_flash.h"
 #include <memory>
 #include <soc/soc.h>
