UNO R4 WiFi suppress unused variable warning

Author: pennam

src/tls/utility/TLSClientMqtt.cpp

@@ -58,6 +58,7 @@ void TLSClientMqtt::begin(ConnectionHandler & connection) {
    * also present in older firmware revisions
    * https://github.com/arduino/uno-r4-wifi-usb-bridge/blob/f09ca94fdcab845b8368d4435fdac9f6999d21d2/certificates/certificates.pem#L852
    */
+  (void)connection;
 #elif defined(ARDUINO_ARCH_ESP32)
   setCACertBundle(x509_crt_bundle);
 #elif defined(ARDUINO_ARCH_ESP8266)

src/tls/utility/TLSClientOta.cpp

@@ -54,6 +54,7 @@ void TLSClientOta::begin(ConnectionHandler &connection) {
   /* AWS Root CAs are configured in uno-r4-wifi-usb-bridge/libraries/Arduino_ESP32_OTA
    * https://github.com/arduino-libraries/Arduino_ESP32_OTA/blob/fc755e7d1d3946232107e2590662ee08d6ccdec4/src/tls/amazon_root_ca.h
    */
+  (void)connection;
 #elif defined(ARDUINO_ARCH_ESP32)
   setCACertBundle(x509_crt_bundle);
 #elif defined(ARDUINO_ARCH_ESP8266)