mraa-2.2.0/src/iio/iio.c:165: missing parameter ?

[dcb314]

clang says

mraa-2.2.0/src/iio/iio.c:165:44: warning: more '%' conversions than data arguments [-Wformat-insufficient-args]

Source code is

        syslog(LOG_ERR, "iio: Channel %d with channel bytes value <= 0");