Fix OSX Catalina bug

Author: facchinm

bootloaders/caterina/Caterina.c

@@ -256,6 +256,16 @@ void EVENT_USB_Device_ControlRequest(void)
 			}
 
 			break;
+
+		case CDC_REQ_SetControlLineState:
+			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+			{
+				Endpoint_ClearSETUP();
+				Endpoint_ClearStatusStage();
+			}
+
+			break;
+
 		case CDC_REQ_SetLineEncoding:
 			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
 			{