[DEBUG](iOS) Fixed crash when didNotPublish was called. Dictionnary value was null, which is forbidden.
[DEBUG](iOS) Fixed crash when didNotPublish was called. Dictionnary value was null, which is forbidden.

Parrot-Developers/libARDiscovery,kradhub/libARDiscovery,niavok/libARDiscovery,kradhub/libARDiscovery,niavok/libARDiscovery,niavok/libARDiscovery,Parrot-Developers/libARDiscovery,Parrot-Developers/libARDiscovery,niavok/libARDiscovery,kradhub/libARDiscovery,Parrot-Developers/libARDiscovery,kradhub/libARDiscovery