Update lfrfid_reader.h

lfrfid_reader.h

@@ -54,4 +54,4 @@ void lfrfid_reader_stop(LFRFIDReader* reader);
  * @brief Frees the LFRFIDReader.
  * @param reader LFRFIDReader to free.
  */
-void lfrfid_reader_free(LFRFIDReader* reader);
+void lfrfid_reader_free(LFRFIDReader* reader);