Add sdkconfig.h to protocol/https* examples

examples/protocols/https_server/simple/main/main.c

@@ -19,6 +19,7 @@
 
 #include <esp_https_server.h>
 #include "esp_tls.h"
+#include "sdkconfig.h"
 
 /* A simple example that demonstrates how to create GET and POST
  * handlers and start an HTTPS server.

examples/protocols/https_server/wss_server/main/wss_server_example.c

@@ -18,6 +18,7 @@
 
 #include <esp_https_server.h>
 #include "keep_alive.h"
+#include "sdkconfig.h"
 
 #if !CONFIG_HTTPD_WS_SUPPORT
 #error This example cannot be used unless HTTPD_WS_SUPPORT is enabled in esp-http-server component configuration