Merge pull request #277 from mysensors/esp8266-2.0.0-compability-fix

Fix compile error using ESP board 2.0.0

libraries/MySensors/core/MyMainESP8266.cpp

@@ -42,12 +42,12 @@ static os_event_t g_loop_queue[LOOP_QUEUE_SIZE];
 
 static uint32_t g_micros_at_task_start;
 
-
+/*
 extern "C" void abort() {
     do {
         *((int*)0) = 0;
     } while(true);
-}
+}*/
 
 extern "C" void esp_yield() {
     if (cont_can_yield(&g_cont)) {