message: Update ascii_protocol.cpp
diff: @@ -227,10 +227,8 @@ void cmd_set_torque(char * pStr, StreamSink& response_channel, bool use_checksum
  // @param response_channel reference to the stream to respond on
  // @param use_checksum bool to indicate whether a checksum is required on response
  void cmd_encoder(char * pStr, StreamSink& response_channel, bool use_checksum) {
  - char firstChar = pStr[1];
  -
  - if (firstChar == 's') {
  - pStr += 2; // Substring two characters to the right
  + if (pStr[1] == 's') {
  + pStr += 2; // Substring two characters to the right (ok because we have guaranteed null termination after all chars)
  unsigned motor_number;
  int encoder_count;
  