Fix compile if controller disabled

wfmain.cpp

@@ -9192,6 +9192,7 @@ void wfmain::on_cwButton_clicked()
 
 void wfmain::resetUsbButtons()
 {
+#ifdef USB_CONTROLLER
     usbButtons.clear();
 
     // ShuttleXpress
@@ -9265,11 +9266,12 @@ void wfmain::resetUsbButtons()
 
     emit sendUsbControllerButtons(&usbButtons);
 
-
+#endif
 }
 
 void wfmain::resetUsbCommands()
 {
+#ifdef USB_CONTROLLER
     usbCommands.clear();
     int num = 0;
     usbCommands.append(COMMAND(num++, "None", cmdNone, 0x0));
@@ -9327,6 +9329,7 @@ void wfmain::resetUsbCommands()
     usbCommands.append(COMMAND(num++, "Split Off", cmdNone, 0x0));
     usbCommands.append(COMMAND(num++, "Swap VFOs", cmdVFOSwap, 0x0));
     emit sendUsbControllerCommands(&usbCommands);
+#endif
 }
 
 void wfmain::receiveUsbSensitivity(int val) {