fix astyle

Author: benwaffle

cores/arduino/stm32/uart.c

@@ -808,7 +808,7 @@ void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
 #endif
   /* Restart receive interrupt after any error */
   uint8_t index = uart_index(huart);
-  if(index < UART_NUM) {
+  if (index < UART_NUM) {
     serial_t *obj = rx_callback_obj[index];
     if (!serial_rx_active(obj)) {
       HAL_UART_Receive_IT(uart_handlers[obj->index], &(obj->recv), 1);