Update main.c remove /n at end

main.c

@@ -2942,6 +2942,8 @@ int pi_sensors(char *buffer)
     fgets(sensor_buffer, 1000, sensor_read);
     fprintf(stderr, "mpu result: %s\n", sensor_buffer);
     fclose(sensor_read);
+	if (sensor_buffer[strlen(sensor_buffer) - 1] == '\n')
+		sensor_buffer[strlen(sensor_buffer) - 1] = '\0'; // remove newline at end	
 	strcat(buffer, sensor_buffer);  // no need to remove newline at end
 	
 	fprintf(stderr, "pi_sensors string: %s\n", buffer);