Handle fragment status

[ouoam]

in handleFragmentationStatusReq

mbed-lorawan-update-client/mbed-lorawan-update-client/LoRaWANUpdateClient.h

Lines 901 to 905 in 5c71533

	// @todo problem is that we don't have the info anymore after we reconstructed
	if (!frag_sessions[fragIx].active || frag_sessions[fragIx].session == NULL) {
	// @todo: this is wrong because I don't have the info...
	return LW_UC_OK;
	}