remove unbalanced curly brace

src/shellmatta_ymodem.c

@@ -317,7 +317,6 @@ void shellmatta_ymodem_receive_packet(shellmatta_handle_t handle, uint8_t byteIn
                     /* save data */
                     shellmatta_ymodem_packet.packetData[shellmatta_ymodem_byte_counter - YMODEM_HEADER_DATA_OFFSET] = byteIn;
                 }
-                }
                 shellmatta_ymodem_byte_counter++;
                 break;