Update for ESP8266

ESP32 printf() can handle String type but ESP8266 cannot.

examples/Test and diagnostics/Read_User_Setup/Read_User_Setup.ino

@@ -41,8 +41,8 @@ void loop(void) {
 tft.getSetup(user); //
 
 Serial.printf("\n[code]\n");
-
-Serial.printf("TFT_eSPI ver = " + user.version) +"\n");
+String ver = user.version;
+Serial.println("TFT_eSPI ver = " + ver +"\n");
 Serial.printf("Processor    = ESP%i\n", user.esp, HEX);
 Serial.printf("Frequency    = %i MHz\n", ESP.getCpuFreqMHz());
 #ifdef ESP8266