BV UART: fix escape count

lib/busvoodoo_uart.c

@@ -289,9 +289,9 @@ static void busvoodoo_uart_command_transceive(void* argument)
 				if (0x1b!=last_c) { // this is the first escape press
 					esc_count = 0;
 				}
-				last_c = c; // remember key press
 				esc_count++; // increment escape count
 			}
+			last_c = c; // remember key press
 			usart_send_blocking(USART(BUSVOODOO_USART_ID), c); // send user character
 			busvoodoo_led_red(100); // enable red LED to show transmission
 		}