Method clearLastMessage

src/backend/datasources/MQTTClient.cpp:923–925

! * \brief Clear the lastly received message by the will topic * Called when the will topic is changed */

 * Called when the will topic is changed
 */
void MQTTClient::clearLastMessage() {
	m_MQTTWill.willLastMessage.clear();
}

/*!
 * \brief Sets true the corresponding flag of the statistic type,