Merge pull request #20 from LeeLeahy2/4-9-fix

Fix compile errors for 4_9_ESP_NOW and 4_10_WIFI_AP_Server

Author: nseidle

Example_Sketches/4_10_WiFi_AP_Server/4_10_WiFi_AP_Server.ino

@@ -35,6 +35,8 @@ ported for sparkfun esp32
 
 #define SERVER_PORT         80
 
+bool RTK_CONFIG_MBEDTLS_EXTERNAL_MEM_ALLOC = false;
+
 void setup()
 {
     IPAddress ipAddress;

Example_Sketches/4_9_ESP_NOW/4_9_ESP_NOW.ino

@@ -34,6 +34,8 @@ const MacAddress macDev2({0xE0, 0x5A, 0x1B, 0xD8, 0x8F, 0x14});
 const char * wifiApSsid = "SoftAP";
 const char * wifiApPassword = "Password";
 
+bool RTK_CONFIG_MBEDTLS_EXTERNAL_MEM_ALLOC = false;
+
 ESP_NOW_Serial_Class * nowSerial;
 
 void setup()