Fix bug where sending a map of visibles in prox set instead of just single visibles.
Fix bug where sending a map of visibles in prox set instead of just
single visibles.

sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata