conn-olpc: use WockyNodeIter
conn-olpc: use WockyNodeIter

The huge change is just reindenting the body of that loop inside an if
block. There's no clean way to initialize a WockyNodeIter to be empty if
your starting node is NULL.

Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble