per @earlephilhower review: a file was missing

Author: d-a-v

cores/esp8266/enable_wifi_at_boot_time.cpp

@@ -0,0 +1,20 @@
+/*
+ * empty wrappers to play with linker and reenable wifi at boot time
+ */
+
+#include "coredecls.h"
+
+extern "C" void enableWiFiAtBootTime()
+{
+ /*
+ * Called by user from anywhere, does nothing and allows overriding
+ * the core_esp8266_main.cpp's default disableWiFiAtBootTime() by the
+ * one below, at link time.
+ */
+}
+
+extern "C" void __disableWiFiAtBootTime()
+{
+ // overrides the default __disableWiFiAtBootTime:
+ // Does nothing: WiFi is enabled by default in nonos-sdk
+}